I examine all the coding sequences in Diceros bicornis (Black rhinoceros) and identify each codon that translates into threonine with the following results: 25% ACA, 25% ACC, 25% ACT, 25% ACG. This results supports the conclusion that there is no codon usage bias.
The term "codon use bias" describes variations in the frequency at which synonymous codons appear in coding DNA. A codon is a group of three nucleotides that codes either the end of translation or a particular amino acid residue in a polypeptide chain.The occurrence of specific codons being used more frequently than other synonymous codons during the translation of genes is known as codon use bias, and its severity varies between and within species.here, each codon translating into threonine is in equal proportion ie, 25%. 25% ACA, 25% ACC, 25% ACT, 25% ACG indicate that the codons are used in equal proportion and thus there is no codon usage bias in Diceros bicornis.learn more about codon usage bias here: https://brainly.com/question/15339928
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The highlighted region is the highest visual acuity because it contains the highest concentration of ________.
Answer:
cones
Explanation:
1. Complete the Punnett square for a cross between a homozygous red-flowered snapdragon (RR) and a
homozygous white-flowered snapdragon (R'R'). Give the genotype and phenotype of the offspring in
the F₁ generation.
Key
RR - red
R'R' - white
RR' - pink
F₁
8
genotype:
phenotype:
The long-standing debate over whether innate biology or environmental experience is the most critical factor in the development of human behavior is called
The long-standing debate over whether innate biology or environmental experience is the most critical factor in the development of human behavior is called Nature versus Nurture.
One of the oldest philosophical debates in psychology concerns the relationship between nature and nurture.
Nature includes all of the genes and inherited traits that shape who we are, from our physical qualities to our psychological traits.All the environmental factors that shape who we are, such as our early experiences, our upbringing, our social connections, and our surroundings' culture, are referred to as Nurture.One of the oldest debates in psychology is the relationship between nature and nurture. The main topic of discussion is how much genetic inheritance and environmental circumstances affect human development.
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A new rainforest plant was discovered by scientists, having been used by native cultures for generations to cure fungal infections. Jane is a scientist in charge of investigating the anti-fungal properties of the new plant species. Describe the molecular techniques that Jane could use to isolate, identify, and produce the anti-fungal compound in the laboratory.
Fungi detection using molecular methods
PCR as we know it. The invention of PCR ushered in a major shift in the field of plant pathology. PCR that is nested. To achieve a high level of specificity and sensitivity, nested PCR is used. Multiplex PCR.
RT-PCR
Fungi were isolated from the root samples that were obtained. After removing soil debris with tap water, samples were submerged in 1 percent sodium hypochlorite NaOCl) for 1-2 minutes. After 2-3 minutes in sterile distilled water (SDW), the samples were dried on sterile filter paper.
When identifying, look for the following essential characteristics:
Shape, color, and size of the fruiting bodyA spore print can also be acquired from the gills, specifically how they adhere to the stem.Shape, color, and size of the stemThe smell and the texture.Preformed antifungal chemicals found naturally in healthy plants are thought to act as intrinsic chemical barriers to infection, protecting plants from a wide spectrum of possible pathogens.
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A sustainable ecosystem can be as small as a drop of rain on a leaf. Explain how this is possible.
A sustainable ecosystem can be as small as a raindrop on a leaf. because it is a set formed by the interactions between biotic and abootic components and in this leaf there can be this type of interactions with microscopic beings.
What is an ecosystem?Ecosystem is the name given to a set of communities that live in a certain place and interact with each other and with the environment, constituting a stable, balanced and self-sufficient system.
With this information, we can conclude that A sustainable ecosystem can be as small as a raindrop on a leaf. because it is a set formed by the interactions between biotic and abootic components and in this leaf there can be this type of interactions with microscopic beings.
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In an experiment carried out to study the energy flow through an ecosystem, scientists measured the total solar energy captured by plants to be 10,000 kilocalories. The portion of this available to the next trophic level will be ___.
1,000 kilocalories of energy available to the next trophic level.
What Is The 10 Rule What Is Its Significance Why Is Energy Lost?The 10 percent rule states that only ten percent of the energy in an ecosystem will be transferred from one trophic level to the next. An energy pyramid provides a graphic representation of energy loss at each level of the feeding stages of species in an ecosystem.
So, energy captured in the next trophic level = 10,000 kilocalories of 10%
= 1,000 kilocalories
Energy is lost as metabolic heat when animals from one trophic level are ingested by species from the next level, hence energy diminishes as it goes up the food chain. Energy transmission between trophic levels is quantified by trophic level transfer efficiency (TLTE).
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Which process is represented by the diagrams below?
TIME
(1) water cycle destruction
(2) nitrogen fixation
(3) biological control
(4)ecological succession
Answer:
I found the correct answer
(4) ecological succession
Explanation:
ecological succession means the process by which the mix of species and habitat in an area changes over time
you can see also in the picture
Which occurs when the body responds to the environment by maintaining a stable internal environment despite changing
external conditions
Answer:
Homeostasis
Explanation:
it's the ability to have stability
A condition in which a single mutant gene affects more than one distinct characteristic of an individual is referred to as _______ and often leads to a syndrome.
A condition in which a single mutant gene affects more than one distinct characteristic of an individual is referred to as Pleiotropy.
What is Pleiotropy?Pleiotropy occurs when one gene influences two or more seemingly unrelated phenotypic traits. Such a gene that exhibits multiple phenotypic expressions is called a Pleiotropic gene.Pleiotropy can arise from several distinct but potentially overlapping mechanisms, such as gene pleiotropy, developmental pleiotropy, and selectional pleiotropy.An example of pleiotropy is phenylketonuria.So, when a single trait mutant gene controls more than one trait it is called Pleiotropy and it can cause the various syndrome.To learn more about Pleiotropy,
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NADPH is made by Question 37 options: a) the Krebs cycle. b) chemiosmosis. c) glycolysis. d) the passing of electrons from photosystem I to an electron transport chain. e) the Calvin cycle.
Answer:
D) Passing of electrons from Photosystem I to electron transport chain.
Explanation:
The NADPH is generated in the thylakoid membrane first in order to energize the second stage of photosynthesis (Calvin Cycle). Calvin Cycle takes place in the stroma, so that choice is out. Choices A, B, and C are in cellular respiration, and NADPH is not made in that process, so that leaves choice D.
The kidney was one of the first organs to be successfully transplanted because it is so encapsulated and has limited vessels feeding into or out of it. How many major vessels must be cut in transplant surgery for one kidney
At least 3 or 4 small cuts not more than an inch
but it will increase towards the end of the surgery
Which specialty or subdivision (Like gross anatomy, surface anatomy, histology, regional anatomy etc) might focus on studying all of the structures of the ankle and foot?
Regional anatomy might focus on studying all of the structures of the ankle and foot.
What is Regional Anatomy?The shapes, locations, and relationships of the human body's structures in a particular region are the subject of regional anatomy. One of the fundamental building blocks of safe and effective medical practice is a thorough understanding of regional anatomy. After finishing this course successfully, students should receive knowledge of the major anatomical divisions, such as those of the thorax or upper limb, with an emphasis on the interactions between the numerous systemic structures (such as the muscles, nerves, and arteries) found there. Understanding the morphological function of the various body regions in relation to one another and the body as a whole. The capacity to employ regional anatomical knowledge to comprehend the underlying anatomical causes of actual biological issues.To learn more about Anatomy refer to:
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Which tool enhances weather forecasts by enabling monitoring, which is necessary for predicting global weather and environmental events?.
Hi, the answer is satellite.
A restraint that provides protection without having to be handled by the occupant is called.
In e. Coli, if rna polymerase is missing ________, then transcription initiation would not occur at the appropriate initiation sites.
The sigma factor
About sigma factor:
In order for transcription to begin in bacteria, a protein called a sigma factor (also known as a specificity factor) is required. It is a bacterial transcription initiation factor that permits RNA polymerase (RNAP) to specifically bind to gene promoters. It shares homology with the eukaryotic factor TFIIB and the archaeal transcription factor B.
What is RNA?
An intermediary enzyme called ribonucleic acid (RNA) polymerase is in charge of converting gene sequences into RNA-based genetic material that may be used for protein synthesis.
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The sperm of one sea urchin species cannot bind to the eggs of a different sea urchin species. This exemplifies what type of reproductive isolating mechanism
This is due to Gametic isolation/ incompatibility.
What is Gametic incompatibility?It is a type of barrier where fertilization does not takes place even when the gametes (sperm and egg) come in contact with each other.In this, the gametes of different species are not able to recognize each other.A chemotactic molecule resact from the egg jelly of sea urchin species is specific for the sperms of that species and is not able to attract sperms of other species towards itself.Learn more about reproductive isolation here:
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What should for extraction of protein from placental tissue by some advance tequnique
Answer:because it would change the world of life and how it spins connect to the living things
Explanation:
What is a substrate
In biology 1, a substrate 2 is the top on which an organism (such as a plant, fungus or animal) is living. A substrate 2 can cover biotic 3 or abiotic materials and animals. For example, encrusting algae 4 that lives on a great stone (its substrate 2) can be itself a substrate 2 for an animal that lives on top of the algae 4
Avery and his coworkers showed that the agent responsible for changing nonvirulent bacteria into virulent bacteria was
Answer:
Avery and his coworkers showed that the agent responsible for changing nonvirulent bacteria into virulent bacteria was DNA.
Explanation:
DNA (deoxyribonucleic acid) is the hereditary unit of an organism. The DNA is formed of nucleotide sequence that codes for specific proteins in an organism. Bacteria are prokaryotic organisms, that is, their genetic material is not enclosed in a nuclear membrane. The study performed by Avery and his coworkers used enzyme that inactivates different classes of biomolecules in the heat killed virulent bacterial strain. This mixture was used to inoculate the avirulent bacterial cell to conclude that the factor for converting bacteria to virulent was DNA.
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Which digestive hormone is secreted when fats and carbohydrates, especially glucose, enter the small intestine?.
Gastric inhibitory peptide (GIP) a digestive hormone is secreted when fats and carbohydrates, especially glucose, enter the small intestine.
A member of the secretin family of hormones, glucose-dependent insulinotropic polypeptide is an inhibitory hormone. It is sometimes referred to as gastric inhibitory polypeptide or stomach inhibitory peptide. The enteroendocrine K-cells, which are widespread in the small intestine secrete GIP.The hormone gastric inhibitory polypeptide, which is released by intestinal mucosal cells, prevents the stomach from producing hydrochloric acid. Additionally, it improves the islets of Langerhans' beta cells' ability to secrete insulin, which results in a considerable increase in blood insulin concentrations following oral glucose delivery.learn more about Gastric inhibitory peptide here: https://brainly.com/question/13048001
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Identify the class of lipid to which the following molecule belongs. Group of answer choices steroid triacylglycerol glycerophospholipid fatty acid prostaglandin
The molecule belongs to the class of lipids called Steroids.
Steroids do not resemble lipids because of their structure, which consists of four fused rings, yet they are lipids since they are hydrophobic and insoluble in water. A precursor to vitamin D, testosterone, estrogen, progesterone, aldosterone, cortisol, and bile salts, cholesterol is the most prevalent steroid.Another type of lipid molecules is the class of steroids, which are distinguished by their structure of four fused rings. Steroids are classified as lipids even though they do not structurally resemble the other lipids since they are also hydrophobic and insoluble in water. Growth, development, sexual differentiation, and reproduction all benefit from the use of steroids.
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What are the key points of inherited and acquired traits?
For revision
Explanation:
Acquired traits are the one that a person develops during his lifetime. These are not passed from one generation to another. On the other hand, inherited traits are present in the person since the time of his birth and are passed on from one generation to another.
What contributes to waste management by recycling metabolic products and converting toxic substances into less toxic ones
The kidneys contribute to waste management by recycling metabolic products and converting toxic substances into less toxic ones.
Kidneys are an important organ of animals as they provide a channel for the disposal of body waste and simultaneously regulate the balance in the level of salt and water in the body.
Kidneys work as microfilters that are capable of eliminating dissolved and suspended forms of ammonia, uric acid, urea, creatine, creatinine, amino acids, excess salts, and water along with proper disposal of organic waste which altogether constitutes the metabolic waste of the body. These substances before being finally excreted from the boy undergo a last round of reabsorption.
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___________ separate(s) a carrying species from a nesting species. Response to loving and kissing Interest in cuddling and playing Breast milk composition and frequency of demand feedings The amount of food and type of food a newborn eats
Breast milk composition and frequency of demand feedings separate a carrying species from a nesting species.
What does patterns of parental care mean?The patterns of parental care can be defined as stimuli that shape the relationship between parent and offspring in different species.
Carrying species are those species where parent care do not involve building nests for their offspring (conversely to nesting species).
In conclusion, breast and demand feedings separate a carrying species from a nesting species.
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Which location is not appropriate for hand washing after working with human material in the laboratory
A hand washing sink in the break room is not an appropriate location for washing hands after working with human material in the laboratory.
A vital part of laboratory safety is hand washing. In fact, this 20-second method is regarded as one of the most crucial steps utilized to stop chemicals, radioactive materials, and microbiological agents from infecting you and the area around you.
Even though gloves should be used when handling hazardous items, adequate hand washing should still be done on a regular basis. If you don't wash your hands right away after taking off your gloves, germs could spread to your mucous membranes and infect you, or they could contaminate neighboring surfaces and endanger other lab workers.
Every laboratory that uses chemical or biological agents must have access to at least one sink for hand washing, ideally close to the room exit. To prevent contamination, the sink must be cleaned frequently, and soap must be available for hand washing.
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The picture shows an organ system in the human body. What do these organs do in the human body?
The organs represented in the image are the Brain, nerve, and spinal cords that monitor and react to changes in the body and its environment.
What are Organs?Organs may be defined as an assemblage of tissues that structurally construct an operational unit specialized to accomplish a distinct operation and functions in the body of a living organism.
The nerves function in sending and receiving signals to the brain from external stimuli. They give the perception of feeling pain, relaxation, stress, etc to the brain according to the situations.
The complete question is as follows:
The picture shows an organ system in the human body.
Brain, Nerve, and spinal cord.
What do these organs do in the human body?
They filter pathogens and dead cells out of lymph before it returns to the blood.They monitor and react to changes in the body and its environment.They release hormones that control the activities of cells and organs.They identify and destroy things that are foreign or harmful to the body.Therefore, the correct option for this question is B, i.e. They monitor and react to changes in the body and its environment.
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If the half-life of a certain protein is 2.4 hours, how long will it take for the protein concentration to be reduced to 12.5% of its original concentration
Answer:ait will take 25 hours
Explanation:
The turbidity of water measures how much _____is in the water?
The turbidity of water measures how much Suspended particles are present in the water
Meaning of TurbidityTurbidity can be defined as a method or approach that measures the level of transparency possessed by a liquid primarily water.
Turbidity ascertain that a liquid is clear or full of suspended particles in it by passing light through the liquid.
In conclusion, The turbidity of water measures the amount of Suspended particles present in the body of water
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which technique would you use to study the effects of extracellular environment on ion channel activity
Answer:
by taking part you will build long lasting friendship and connection meet students from the different backgrounds and gain transferable skills such as communication team work organisation problem solving at the time management it is also improve your
Patch clamping technique we would use to study the effects of the extracellular environment on ion channel activity.
Patch clamp:
The patch clamp method in electrophysiology is a laboratory technique for examining ionic channels in isolated living cells, tissue samples, or patches of cell membrane. The method can also be used to examine bacterial ion channels in specially made gigantic spheroplasts. It is particularly helpful in the research of excitable cells such neurons, cardiomyocytes, muscle fibers, and pancreatic beta cells.
The voltage clamp method can be used to perform patch clamping. In this instance, the experimenter controls the voltage across the cell membrane, and the ensuing currents are measured. As an alternative, the current clamp method can be applied. In this instance, the experimenter controls the current that crosses the membrane, and the ensuing variations in voltage are recorded, usually in the form of action potentials.
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The ability to form concentrated urine depends on the functions of The ability to form concentrated urine depends on the functions of the distal convoluted tubule. the collecting duct. the nephron loop. the proximal convoluted tubule. both the distal convoluted tubule and the collecting duct.
The ability to form concentrated urine depends on the functions of the nephron loop (loop of Henle) and the collecting duct.
What are the loop of Henle and the collecting duct?
Each kidney nephron has a long, U-shaped section of tubule called the loop of Henle that carries urine. It can be discovered in the kidneys of mammals, reptiles, and birds. Utilizing the concept of "countercurrent multiplication," the main purpose of the Henle loops and the thick ascending limb of the distal tubule is to concentrate urine.
Nephrons are physically connected to a minor calyx or the renal pelvis by a network of tubules and ducts that make up the kidney's collecting duct system. Aldosterone and vasopressin regulate mechanisms in the collecting duct system, the final component of the nephron, that contribute to electrolyte and fluid balance through reabsorption and excretion (antidiuretic hormone).
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