The (d) distal inferior vena cava is the farthest a red blood cell can go after entering the right atrium before returning to the right atrium.
What Is the Function of Red Blood Cells?Red blood cells provide oxygen from our lungs to the rest of our bodies. After then, the carbon dioxide is returned to our lungs, where it is exhaled. Red blood cells, also known as red cells, red blood corpuscles, haematids, erythroid cells, or erythrocytes, are the most common type of blood cell and the primary source of oxygen for the body tissues of vertebrates. They move throughout the circulatory system with the blood.
What produces red blood cells?Blood cells are produced in the bone marrow. The bone marrow is the supple, spongy material found in the centre of the bones. It produces 95% of the blood cells in the body. The majority of the bone marrow in an adult's body is found in the pelvic, breast, and spine bones.
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produced critical x-ray crystallography data for the modern model of dna. group of answer choices linus pauling meselson and stahl franklin and wilkins erwin chargaff watson and crick
Rosalind Franklin produced critical x-ray crystallography data for the modern model of DNA.
The DNA double helix was first conceptualized by British physicist Francis Crick and American biologist James Watson in the early 1950s. In this scientific "marathon," they were the first to reach the finish line, while others like Linus Pauling (who discovered protein secondary structure) were also looking for the right model.
Watson and Crick gathered and analyzed previously obtained data, combining it in novel and illuminating ways, rather than doing brand-new tests in the lab. Rosalind Franklin, a scientist working in physicist Maurice Wilkins' lab, provided them with some of the most important hints about the structure of DNA. Franklin was a master of X-ray crystallography, a potent method for figuring out the structure of molecules. When a molecule, like DNA, is subjected to X-rays in its crystallized form, part of the rays are refracted by the crystal's atoms, creating a diffraction pattern that reveals information about the structure of the molecule.
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protests for gay equality were typically quiet stand-ins with no displays of homosexuality or gender non-conformity .
The Society for Human Rights was established by Henry Gerber in Chicago. The society is the primary gay rights association as well as the most seasoned recorded in America.
In the wake of getting a contract from the territory of Illinois, the society distributes the principal American distribution for homosexuals, Companionship and Opportunity. Not long after its establishing, the society disbands because of political pressure
Biologist and sex researcher Alfred Kinsey distributes Sexual Conduct in the Human Male. From his examination Kinsey reasons that homosexual way of behaving isn't confined to individuals who recognize themselves as homosexual and that 37% of men have appreciated homosexual exercises something like once. While clinicians and specialists during the 1940s look at homosexuality as a form of sickness, the discoveries shock numerous moderate ideas about sexuality.
A Senate report named "Employment of Homosexuals and Other Sex Sick people in Government" is dispersed to individuals from Congress after the national government had clandestinely explored workers' sexual direction toward the start of the Virus War. The report states since homosexuality is a psychological maladjustment, homosexuals "comprise security chances" to the country since "the people who take part in unmistakable demonstrations of depravity miss the mark on profound soundness of typical people."
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he chemical equation for the reaction between magnesium (Mg) and hydrochloric acid (HCl) is shown.
Mg + 2HCl → MgCl2 + H2
Fiona weighs the magnesium and hydrochloric acid before the reaction and finds a total mass of 55 grams. After the reaction, she measures the mass of the products, magnesium chloride (MgCl2) and hydrogen (H2), and finds a total mass of 55 grams again. Does Fiona's data support the law of conservation of matter, and why?
a
Yes, because the mass of the reactants is lower than the mass of the products in her data.
b
No, because the mass of the reactants is the same as the mass of the products in her data.
c
No, because the mass of the reactants is lower than the mass of the products in her data.
d
Yes, because the mass of the reactants is the same as the mass of the products in her data.
According to the rule of conservation of mass, in a chemical process, mass neither creates nor destroys itself. When coal is burned, for instance, the carbon atom in it transforms into carbon dioxide. Although the carbon atom's shape changes from solid to gas, its mass remains constant. Thus option D is correct.
What law of conservation of matter in chemical reaction?This implies that the total masses of the reactants and products in a chemical reaction should be equal.
The data collected by Fiona shows that the total masses of the reactants and products are equal, which lends support to this law. This implies that there was no mass loss during the conversion of the magnesium and hydrochloric acid into magnesium chloride and hydrogen.
Therefore, Yes, because the mass of the reactants is the same as the mass of the products in her data.
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based on what is contributing to the decline in platypus numbers, which of the following would be best to help their population?
Recent research indicates that the duck-billed mammal is not as common as once believed, in part because of decades of hunting and habitat destruction.
One of the most adored animals in Australia is the platypus, which also appears to be one of the most hardy.
The odd duck-billed mammal with webbed feet was visible frequently enough that there was little need to worry about its population during the 20th century, even while many of the native animals of the continent decreased or vanished. Until researchers started to understand the freshwater creatures weren't healthy and possibly hadn't been all along.
Tahneal Hawke, a Ph.D. candidate at the University of New South Wales and a researcher with the Platypus Conservation Initiative, claims that "the platypus has declined right in front of our noses."
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QUESTION - Which of the following would best aid the platypus population, given the factors that are causing their decline?
provide the route that one oxygen molecule, o2, will take as it moves from the room air up to its arrival inside the mitochondrion of a cell in a skeletal muscle fiber of the leg. be detailed, particularly in passing through cell membranes. write this in flow chart format, using words linked by arrows. indicate which portion of this route is considered internal respiration, and which portion is considered external respiration.
External respiration is the process of diffusion in lungs. It is indicated in bold. The rest is internal respiration i.e diffusion of oxygen within tissues
Breathing both inside and outside To provide us energy, our lungs deliver oxygen from the outside air to the cells through the blood and circulatory system. Oxygen diffuses into the blood as we breathe in, entering the lungs. It is pumped into the cells after being delivered to the heart. The carbon dioxide waste that results from the body's cells breaking down carbohydrates diffuses into the blood, then diffuses from the blood into the lungs where it is released when breathing out. Exchange of one gas (oxygen) for another (carbon dioxide). Both the lungs (external respiration) and the cells participate in this gas exchange (internal respiration).
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The most abundant type of coal in the United States is _____.
anthracite
lignite
bituminous coal
brown
Answer:
Bitumious Coal
Explanation:
Because it's important in generation of electricity and it's raw materialistic behavior it's set to be the most abundant one. It accounts about 45% coal in the whole United States
compare the approaches to energy processing taken by each of the following, and give an example organism who engages in each mode: heterotrophs photosynthetic autotrophs chemosynthetic autotrophs
Giant tubeworms with bacteria found in large numbers near deep hydrothermal vents or channels are good examples of chemosynthetic organisms. They use hydrogen sulfide as an energy source to produce sugars and amino acids from carbon dioxide.
Prokaryotic microorganisms, mainly bacteria, and archaea (hereinafter referred to as "bacteria") carry out chemosynthetic reactions. Energy is obtained from the oxidation of reduced compounds in chemosynthetic reactions.
Chemical synthesis alternatively uses energy from chemical reactions between (hydrogen gas or hydrogen sulfide) or inorganic molecules such as methane to produce one or more carbon molecules (usually carbon dioxide or methane) and nutrients. is converted into organic matter. Like photosynthesis, of sunlight.
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directions: 1.use the dna code to create mrna codons. 2.use the mrna code to create trna anticodons. 3.use the mrna codons and the genetic code to determine the amino acids.
1. mRNA = AGG CGC GUC UCG AUC; tRNA = UCC GCG CAG AGC UAG; Protein = ARG ARG VAL SER ILE
2. the mRNA code to create tRNA anticodons is Transcription.
3. Nucleus uses the mRNA codons and the genetic code to determine the amino acids.
A codon was thought to code for the same amino acid regardless of the organism or source, according to the old theory of the genetic code. The genetic code evolves, it is now understood, and as a result, there are differences in how a codon is translated depending on the genetic source. For instance, it was found in 1981 that the coding system in mammalian mitochondria used codons AUA, UGA, AGA, and AGG differently than the universal code. Stop codons can also be impacted; for example, the universal stop codons UAA and UAG in ciliated protozoa code for glutamine.To know more about codons check the below link:
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animent industries, inc. (aii), developed standard costs for direct material and direct labor. in 2015, aii estimated the following standard costs for one of their major products, the 10-gallon plastic container. budgeted quantity budgeted price direct materials 0.10 pounds $60 per pound direct labor 0.05 hours $30 per hour during june, aii produced and sold 20,000 containers using 1,900 pounds of direct materials at an average cost per pound of $64 and 1,000 direct manufacturing labor-hours at an average wage of $30.50 per hour. the direct manufacturing labor price variance during june is .$500 favorable
$7,600 unfavorable
$1,600 unfavorable
$1,600 favorable
The direct manufacturing labor price variance during june is $1,600 unfavorable.
Direct materials value the value of direct materials which might be simply known with the unit of production. as an example,the price of glass could be a direct materials cost in light-weight bulb producing. The manufacture of product or product needed material because the prime part.
Direct labor value is a a part of wage-bill or payroll which will be specifically and systematically assigned to or related to the manufacture of a product, a selected work order, or provision of a service.
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If variation in a species was only due to meiosis, how would that limit the evolution of that species?
Meiosis occurs in a diploid sex cell and results in four cells (gametes). All these four haploid/cell gametes are genetically different from each other. The characters of the parent are distributed at random because
These four arms of chromosomes are randomly distributed in the gametesThese arms are novel lengthwise due to the crossing over that has taken place (see fig below). These variations increase further after the union of gametes during fertilization creating offspring with unique characteristics. Thus, it creates a diversity of life and is responsible for evolution.Genetic mutation is the primary basis of fresh genes. Without mutation, you will ultimately run out of different gene pairings, which puts that species in a bit of an evolutionary bind. For a species to survive, it has to maintain genetic variety. Less genetic diversity greatly reduces potential adaptations that might boost reproductive success, which increases the likelihood that the species will become extinct due to disease or competition for food or mates.
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Question 28 Gatsby's car symbolizes A. the pursuit of wealth through illegal means B. a moral center in the novel C. the emotional turmoil and feelings of the characters D. the growing economic prosperity through industry
cancer is the abnormal growth of cells caused by uncontrolled cell division. tumor suppressor genes are genes that encode protein products whose normal function is to protect cells from becoming cancerous. when a loss-of-function mutation occurs in a tumor suppressor gene, a cell may progress to a cancerous state. in some cases, a loss-of-function mutation results in a loss of gene expression. in the tumor cell microarray, choose spots among those listed below that may represent mrnas that encode proteins that function as tumor suppressors. choose all that apply.
Correct sentences related to cancer are When a loss-of-function mutation occurs in a tumor suppressor gene, a cell may progress to a cancerous state.
Cancer is the abnormal growth of cells caused by uncontrolled cell division. Tumor suppressor genes are genes that encode protein products whose normal function is to protect cells from becoming cancerous.
A tumor suppressor gene, or anti-oncogene, may be a factor that regulates a cell throughout cellular division and replication. If the cell grows uncontrollably, it'll end in cancer. once a tumor suppressor gene is mutated, it leads to a loss or reduction in its operate.
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Choose the correct sentences related to cancer from the given sentences.
cancer is the abnormal growth of cells caused by uncontrolled cell division. tumor suppressor genes are genes that encode protein products whose normal function is to protect cells from becoming cancerous. when a loss-of-function mutation occurs in a tumor suppressor gene, a cell may progress to a cancerous state. in some cases, a loss-of-function mutation results in a loss of gene expression. in the tumor cell microarray, choose spots among those listed below that may represent mrnas that encode proteins that function as tumor suppressors. choose all that apply.
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microfilaments and microtubules are similar in that both . select all choices that apply. are composed of subunits bound to gtp use kinesins and dyneins to mobilize transport vesicles have intrinsic directionality because one end of each structure is distinct from the other end form hollow tubes found in the cytosol are involved in determining the shape of cells
Both aid in maintaining cell structure and order. Cellular mobility is aided by both microtubules and microfilaments. The three key elements that affect how a cell is shaped and sized are its cytoskeleton, the amount of water it contains, and the condition of its membrane.
The cell wall determines form in what ways?A bacterium's visible shape is governed by the geometry of its developing cell wall (1–4). Prokaryotic cytoskeletal proteins like FtsZ, MreB, and crescentin have recently been demonstrated to be crucial for forming the bacterial cell (4–7).
What connects microtubules and microfilaments?Microfilaments and microtubules are both dynamic biological entities. Associated proteins with the polymers control their dynamic character.
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which of the following is not treated with antibiotics? group of answer choices plague ebola anthrax lyme disease
Anthrax is not considers as antibiotics .
What is meant by anthrax ?Bacillus anthracis, a gram-positive, rod-shaped bacteria, is the source of the deadly infectious illness anthrax. This natural occurrence in soil commonly affects both domestic and wild animals globally. If people come into contact with diseased animals or contaminated animal products, they could become ill with anthrax.
People contract anthrax via inhaling spores, eating or drinking something that has spores in it, or. spores entering a skin abrasion or wound.
Your skin may develop an itchy, tiny, raised sore if it comes into touch with anthrax. Typically, it resembles an insect bite. A blister immediately forms from the pain. A skin ulcer with a dark core develops at that point.
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you make dilute 1 nm solutions each of glycogen, amylose and amylopectin in water, fully solubilizing the polysaccharide molecules in a test tube. you then add a reagent to each tube that is nonfluorescent when free in solution, but reacts irreversibly with polysaccharide non-reducing ends to introduce a covalently-bound fluorescent tag. after the reagent is allowed to react completely with the polysaccharide in each tube, rank the resulting polysaccharide solutions based on fluorescence:
Dilution is the process of lowering a solute's concentration in a solution. It usually just involves mixing the solution with more solvent, such more water.
A solution is diluted when more solvent is added without increasing solute. The final mixture is thoroughly mixed to make sure that every component is the same.
Gases and vapors diluted in air, for instance, are directly related in the same way. However, it could be more difficult to achieve thorough mixing of gases and vapors.
For instance, a solution has a given salt concentration if 10 grammes of salt (the solute) are dissolved in 1 litre of water (the solvent) (molarity). This solution's salt concentration decreases when 1 liter of water is added. 10 grammes of salt are still present in the diluted solution (0.171 moles of NaCl).
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in which of the following conditions would you most reasonably expect to generate the most tension in a single muscle fiber? assume otherwise equal conditions.
Most tension in a single muscle fiber can be generated when a motor neuron generates high frequency of action potentials (greater than 80/sec).
Muscles are the loose tissues masses that aid in the movement of body parts. They do so by their contractions and relaxations. There are three types of muscles in human body: skeletal muscles, smooth muscles and cardiac muscles.
Action potential is the difference in the membrane potential at the inside and outside of the cell. This difference arise due to the different concentrations of ions present inside and outside of the cell. During action potential the inside of the cell is negative than the outside.
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in the abdominal cavity, am on the right side of the body. I am lateral to the stomach. Hint: am the size of a football. What am I ?
In the abdominal cavity, am on the right side of the body. I am lateral to the stomach, therefore this is referred to as the gall bladder.
What is Gall bladder?
This is referred to as a small, pear-shaped organ on the right side of the abdominal cavity and it is responsible for holding a digestive fluid known as bile that's released into your small intestine for the emulsification of fat during the digestion process in the body of organisms.
It is also lateral to the stomach and can be found beneath the liver and is therefore the reason why it was chosen as the correct choice.
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Thin filaments connect to and extend from either side of a _____. These thin filaments are composed largely of the myofilament ____Z disc, actin
Thin filaments connect to and extend from the side of a Z disc. These thin filaments are composed of the myofilament actin.
Actin is its own family of globular multi-purposeful proteins that form microfilaments inside the cytoskeleton, and skinny filaments in muscle fibrils. It's miles determined in basically all eukaryotic cells, where it could be present at an awareness of over a hundred μM; its mass is more or less 42 kDa, with a diameter of four to 7 nm.
Actin is a noticeably abundant intracellular protein found in all eukaryotic cells and has a pivotal position in muscle contraction in addition to mobile actions. Actin additionally has a vital feature in retaining and controlling cellular shape and architecture.
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which of the following statements danimal tissues develop from embryonic germ layers. triploblastic animals have three germ layers (ectoderm, mesoderm, and endoderm) and three basic body plans related to body cavities (acoelomate, pseudocoelomate, and coelomate).escribes the relationship between a fungus and a photosynthetic microorganism in a lichen?
Each germ layer's cells undergo differentiation to become tissues and embryonic organs. The nervous system and the epidermis are two examples of tissues that develop from the ectoderm. The body's connective tissue and muscle cells are derived from the mesoderm.
How do tissues grow throughout the development of an embryo?During embryonic development, a small number of cells produce committed progenitor or precursor cells that are highly proliferative and go on to differentiate into the cells of the adult tissues.
The embryonic endoderm gives rise to which of the following tissues?The primitive intestine is lined by epithelium, a type of tissue in which the cells are closely connected to create sheets. Organs include the digestive system, liver, and the primitive gut derive from this epithelial layer.
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an article in neurology discussed that monozygotic twins share numerous physical, psychological, and pathological traits
Monozygotic twins only have the same physical characteristics, but can have different psychological and pathological characteristics.
Monozygotic twins are twins that come from a single egg and occur when a single egg is fertilized by a sperm and forms a zygote. In its development, the zygote then divides into two different embryos. The two embryos develop into fetuses that share the same uterus and when born will have identical physiques because they come from the same egg and sperm cells.
Monozygotic twins raised in the same or different environments can still have different characters. The existence of various external factors exert pressure and stress levels that cause the process of neurogenesis that occurs in one of the monozygotic twins. Neurogenesis causes the formation of a new generation of nerves that give a psychological impact that gives it a different character.
Identical twins often have the same pathology, but external factors can still affect the health of one of the identical twins, such as diet. Poor diet will affect the epigenome of identical twins. The presence of the epigenome can affect a person's level of pain. Therefore many identical twins die at an advanced age due to different diseases.
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to stabilize the environment in the habitat and enable it to become self-sufficient again, it would be helpful to add____
To stabilize the environment in the habitat and enable it to become self-sufficient again, it would be helpful to add plant producers to absorb excess carbon dioxide and produce oxygen.
Biomass production depends mainly on photosynthesis, as 90% of the plant biomass is made of carbon, hydrogen, and oxygen. So the rate of photosynthesis is important to determine productivity.The largest source of greenhouse gas emissions from human activities in the United States is from burning fossil fuels for electricity, heat, and transportation.If decomposers are removed from the carbon cycle the cycle would slow down and eventually stop because carbon could not be returned to the Earth. During the carbon cycle, plants take in carbon dioxide from the atmosphere and fix it into organic molecules during photosynthesis.
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proprioceptive information is to carried to the cerebellum by the blank tract.multiple choice question.
The cerebellum receives proprioceptive data from the upper extremities, neck, and upper trunk through the spinocerebellar tract.
The dorsal spinocerebellar tract's upper limb homologue is this tract. The vestibular system sends sensory information to the cerebellum alerting it to head movement. In order to perform a precise compensatory eye movement, it also takes input from the proprioceptors in the eye muscles and from other pertinent sources of information about the environment at the time. The Golgi tendon organs, pressure sensors, and muscle spindles all send information to the tract. Proprioception, cutaneous touch, and pressure data from the lower limb and trunk are the carried sensations. In humans, the dorsolateral route seems to be key in mediating vibration perception. In the dorsal column nuclei of the medulla, the dorsal root collaterals that enter the dorsal columns ascend the spinal cord ipsilaterally.
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complete question: Proprioceptive information is to carried to the cerebellum by the ______ tract.
a farmer growing wheat is in wheat and may hedge by wheat futures. group of answer choices short; long short; selling long; buying long; selling
A farmer growing wheat is in wheat and may hedge by wheat futures long; selling.
In the field of finance, long selling (or going long) on a security or an investment implies that associate degree capitalist buys that security or investment with the prospect of keeping it for a few time as a result of he or she believes that its value (or value) goes to extend within the end of the day.
Wheat is used for breadstuff, pastries, pasta, and pizza, has been the principal cereal crop since the eighteenth century. Wheat was introduced by the primary English colonists and quickly became the most crop of farmers who sold-out it to urban populations and exporters.
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drag the images into the corresponding boxes to indicate the correct order of events illustrating the mechanism of antibody-mediated immunity.
A macrophage initially engulfs the infection. Step two involves the breakdown of the bacteria by the macrophage and the appearance of the pathogen's antigens. The third phase entails the activation of a T helper cell via its attachment to a macrophage. Step 4: A T helper cell that has linked to another B cell causes a B cell to be activated.
How does immunity mediated by antibodies function?
The effector response of the antibody-mediated immune response is finished in three steps: development and activation of B cells to produce antibodies. a modification to antibody class. Antibodies facilitate antigen clearance.
What should the dialogue sound like in a hilarious response?
The events of the comedic reaction are depicted in the timeline below.
1) Pathogen-eating macrophages express an antigen on MHC II markers unique to TH cells.
2) Specific TH cells cling to the MHC II complex via specific cell receptors.
3) An activated TH cell multiplies and generates interleukin II.
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Which of the following additions have been made to principles of the central dogma of biology? a)DNA codes for proteins b)DNA information cannot be converted ...
The correct option is C ; RNA can be used to regulate gene function. The core dogma of molecular biology holds that DNA carries protein-making instructions that are duplicated by RNA.
The instructions are then used by RNA to create a protein. In a nutshell: DNA RNA Protein, or DNA to RNA to Protein.
Definition. The central dogma. The basic dogma of molecular biology is a belief that genetic information only goes in one direction, from DNA to RNA, to protein, or from RNA straight to protein.
LncRNAs influence gene expression at various levels. lncRNAs can control chromatin structure and function, as well as the transcription of nearby and distant genes, by interacting with DNA, RNA, and proteins. They can also alter RNA splicing, stability, and translation.
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Which of the following additions have been made to principles of the central dogma of biology?
A. DNA information cannot be converted into RNA information
B. Protein information can be converted into DNA information
C. RNA can be used to regulate gene function
D. DNA codes for proteins
E. All of these
in this group all the members (except some crustaceans) have open circulatory systems and specialized head appendages (antennae).
Arthropoda is the group that consists of open circulatory systems and specialized head appendages (antennae) except for the crustaceans.
Arthropoda is the largest phylum of the animal kingdom. The animals of this group are identified by their exoskeleton, segmented body and joined appendages. The phylum is further divided into 4 subphyla: Chelicerata (arachnids), Crustacea (crustaceans), Hexapoda (insects and springtails), and Myriapoda (millipedes and centipedes).
Antennae are the sensory organs present in the head of insects. It is present in pair. It can serve several functions like touch, smell, or even sound. The anatomy of antenna may differ in different organisms.
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pyruvate oxidation and the krebs cycle occur in the cytoplasm of prokaryotes in a similar way that they occur in the mitochondrial matrix of eukaryotes. however, a h (proton) concentration gradient across a membrane is a requirement of the electron transport chain. propose an alternate site in the prokaryotic cell for this phase of cellular respiration in prokaryotic cells.\
The first stage of cellular respiration, happens in the cytoplasm of your cells. In this procedure, a glucose molecule is split into two pyruvate molecules (pyruvic acid).
What phases include cellular respiration?The three main stages of cellular respiration are glycolysis, the Krebs cycle (also known as the citric acid cycle), and oxidative phosphorylation in the electron transport chain. While glycolysis can happen under anaerobic conditions, the TCA cycle and oxidative phosphorylation require oxygen.
Of the four stages of cellular respiration, which one produces ATP?Glycolysis marks the beginning of cellular respiration. A 6-carbon molecule is broken down into two 3-carbon pyruvate molecules in the top box of Figure 5.9. 3 to illustrate this process.
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an advantage of focusing on copy-number variants (cnvs) over single nucleotide polymorphisms (snps) in human genomic studies is that cnvs .
An advantage of focusing on copy-number variants (cnvs) over single nucleotide polymorphisms (snps) in human genomic studies is that cnvs occupy much longer stretches of DNA than SNPs and are likely to have greater phenotypic consequences
The 23 chromosomal pairs in cell nuclei plus a tiny DNA molecule present in each mitochondria include the entire collection of nucleic acid sequences that make up the human genome. The mitochondrial genome and nuclear genome are often treated separately. Both DNA sequences that code for proteins and different DNA types not used to make proteins are present in the human genome.
The latter is a broad group that include DNA coding for non-translated RNA, including ribosomal RNA, transfer RNA, ribozymes, tiny nuclear RNAs, and many forms of regulatory RNAs. Additionally, it consists of promoters and the gene-regulatory components that go with them, DNA that serves a structural or replicative function, such as scaffolding regions, telomeres, centromeres, and replication origins, as well as a significant amount of transposable elements, viral DNA inserted into the genome, non-functional pseudogenes, and short, repetitive sequences.
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E. coli O157:H7 is a strain that causes food-borne disease and produces Shiga toxin, which is an AB exotoxin. These toxins a) have multiple B subunits for adhesion and the A subunit to inhibit host cell protein synthesis. b) are composed of LPS. c) disrupt host cell adhesion. d) disrupt membrane of host cells to release nutrients. e) do not disrupt host cell adhesion
Shiga toxin generating when patients with Escherichia coli are infected, it might result in bloody diarrhea. E. coli O157:H7 is a strain that causes food-borne disease and produces Shiga toxin, which is an AB exotoxin. These toxins disrupt host cell adhesion. The correct option is (d).
What is Shiga toxin caused by?
People who consume contaminated foods such undercooked ground beef, unpasteurized (raw) milk, juice, or produce like sprouts, lettuce, and spinach are at an increased risk of developing STEC. It has also been linked to instances of persons swimming in feces-contaminated water.
Which results are expected for E. coli 0157 H7?
Abdominal cramps and severe, acute hemorrhagic diarrhea are two symptoms of E.coli O157:H7 infection. Typically, the illness lasts 5 to 10 days and has little to no fever. It may also occasionally show no symptoms.
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which of the following cranial nerves control the movements of the eye and eyelid? check all that apply.
The third cranial nerve is the oculomotor nerve (CN III). It permits eye muscle movement, pupil constriction, eye focussing, and adjustment of the upper eyelid position.
Together with other cranial nerves, cranial nerve III supports sensory perception and control of eye movements.
The olfactory nerve (CN I) is what makes us smell.Vision is produced by the optic nerve (CN II).The trigeminal nerve (CN V) provides facial sensibility.Cochlear and vestibular nerves (CN VII) allow for balance and hearing.A class of conditions known as oculomotor dysfunction affect CN III. Third nerve palsy is another name for these illnesses. They take place when cranial nerve III paralyzes.
Birth can result in third nerve palsy. It might also happen later in life because of:
Insufficient blood flow: Leads to a lack of oxygen, which nerves require for effective operation.Compression of a nerve: Unusual pressure on a nerve.Learn more about " cranial nerves " to visit here;
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QUESTION -
Which of the following cranial nerves control the movements of the eye and eyelid? Check all that apply.
Facial nerve (VII)
Oculomotor nerve (II)
Abducens nerve (VI)
Trochlear nerve (IV)