The statement about the code is non-overlapping, assuming "standard translation" a given base participates in the specification of one and only one amino acid is true.
What evidence shows the genetic code is not overlapping?The genetic code is а set of rules defining how the four-letter code of DNА is trаnslаted into the 20-letter code of аmino аcids, which аre the building blocks of proteins. The genetic code is а set of three-letter combinаtions of nucleotides cаlled codons, eаch of which corresponds to а specific аmino аcid or stop signаl.
There аre 64 possible permutаtions, or combinаtions, of three-letter nucleotide sequences thаt cаn be mаde from the four nucleotides. Of these 64 codons, 61 represent аmino аcids, аnd three аre stop signаls. Аlthough eаch codon is specific for only one аmino аcid (or one-stop signаl), the genetic code is described аs degenerаte, or redundаnt, becаuse а single аmino аcid mаy be coded for by more thаn one codon. It is аlso importаnt to note thаt the genetic code does not overlаp, meаning thаt eаch nucleotide is pаrt of only one codon-а single nucleotide cаnnot be pаrt of two аdjаcent codons.
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which scenario will most likely result in a change to the nitrogen cycle that negatively affects plant growth?
Scenario that will result in a change to the nitrogen cycle that negatively affects plant growth is soil acidification.
How does the nitrogen cycle are affected by soil acidification?A process known as "soil acidification" occurs when soil pH falls over time. Agricultural output speeds up this process, which can have an impact on both the surface soil and subsoil.
Beneficial soil microorganisms are inhibited from recycling nutrients, such as nitrogen, which may result in a decrease in supply. Plants have reduced access to phosphorus in the soil, and shortages in calcium, magnesium, and molybdenum may also develop. The plants' capacity to utilize subsurface moisture can be compromised.
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bronchospasm, airway edema, and increased mucus production in the lower airways best describes the pathophysiology of
Bronchospasm, airway edema, and increased mucus production in the lower airways best describes the pathophysiology of asthma.
the pathophysiology of asthma
Bronchitis and enlarged airways can also result in bronchospasm. Bronchospasm can be brought on by a number of different conditions, although asthma is the most frequent one. These conditions include: infections of the airways or lungs caused by bacteria, viruses, or fungi.
Bronchial thickness, edema, increased mucus production, and bronchoconstriction are all caused by structural and inflammatory changes along the airway wall, which all work together to cause the episodic airflow restriction that is often associated with asthma.
bronchospasm
Breathing might be challenging when you have a bronchospasm because it can prevent air from reaching or leaving your lungs. It can be brought on by some medical disorders, such as asthma, as well as environmental factors, such as toxins or cold air.
The muscles that lining the passageways (bronchi) in the lungs constrict, causing bronchospasm. Your airways narrow as a result of these muscles contracting.
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the activity you choose to improve your cardiovascular endurance does not have to be strenuous?
The activities you can choose to increase your cardiovascular endurance should be according to our personal preferences and limitations such as brisk walking.
Cardiovascular endurance is a person's ability to maintain the heart, lung, and blood vessel systems in taking, distributing, and using oxygen to the tissues effectively and efficiently. Cardiovascular endurance is an important component of physical fitness, making it easier for us to carry out our daily activities.
Some activities that can be selected to increase cardiovascular endurance basically must be in accordance with self-limiting preferences. Excessive training that exceeds one's capacity can cause serious health damage or death. Some light activities that you can choose and adjust to your own strength to maintain your heart health, namely walking and running, cycling, swimming and aerobics. Healthy cardiovascular is an effective way to reduce the risk of various diseases such as diabetes, heart disease and stroke.
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stress-induced sympathetic stimulation of the adrenal medulla causes the secretion of catecholamines, which include:
The stress-induced sympathetic stimulation of the adrenal medulla causes the secretion of catecholamines which include Epinephrine and norepinephrine.
The adrenal medulla secretes catecholamines hormones that help the body respond to stress. Catecholamines include epinephrine and norepinephrine, also known as epinephrine and norepinephrine. Under stress, the adrenal glands respond quickly by increasing the secretion of glucocorticoids and catecholamines into circulation.
These hormones in turn affect metabolism supplying energy to the vascular system to raise blood pressure and prevent the immune system from becoming over-activated. Visceral stimulation is the physiological stimulation of catecholamine secretion. Her ACh is released from nerve endings in the adrenal medulla when splanchnic nerves are stimulated.
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Sympathetic stimulation by stress in the adrenal medulla causes the secretion of the catecholamines epinephrine and norepinephrine.
A type of neurohormone (a chemical substance made by nerve cells and used to send signals to other cells). Catecholamines are important in stress responses. High levels can cause high blood pressure, headaches, sweating, heart palpitations, chest pain, and anxiety. Epinephrine is also known as adrenaline.
A catecholamine test measures the amount of these hormones in the urine or blood. Higher than normal levels of dopamine, norepinephrine, and/or epinephrine can be signs of a serious health condition.
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The language you speak, how you wear your hair and what music you like to listen to are all examples of
A
DNA.
B heredity.
c) acquired traits.
inherited traits.
Answer:
c.) acquired traits
Explanation:
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what is the name of the cell produced on the underside of a fern that can grow into a new fern?(1 point)
A spore is the cell which is produced on the underside of a fern that can grow into a new fern.
A spore is a cell produced by specific fungi, plants (moss, ferns), and bacteria. Spores play a role in procreation. To protect themselves, certain bacteria produce spores. Spore walls are substantial. They are able to withstand extreme temperatures, humidity, and other environmental factors.
Similar to the function of seeds in the plant kingdom, fungal spores are microscopic biological particles that enable fungi to proliferate.
In plants, meiosis takes place in the sporangium of a diploid sporophyte to create spores, which are typically haploid and unicellular in nature. Under the right circumstances, the spore can divide by mitosis to become a multicellular gametophyte that eventually gives rise to gametes. A zygote created by the fusion of two gametes grows into a new sporophyte.
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cells synthesize a variety of complex molecules to include proteins, nucleic acids, lipids and carbohydrates. a large majority of the molecules that cells make are proteins. which three organelles are most involved in synthesizing proteins?
The components amino acids, lipids, and nucleotides are three that are crucial. Our synthesize cells use each to create the more intricate chemicals and structures required for life.
Which of the macromolecules is produced by ribosomes and has the widest range of uses?Proteins. One of the most prevalent organic molecules in biological systems, proteins perform the widest variety of roles among all macromolecules.
Which of the four essential biological compounds is most crucial for the functioning of living things?The initial molecule of life, proteins are essentially the foundation of all other molecules. The majority of molecules in cells are proteins. Proteins make up more than half of a cell's mass if all the water is taken out.
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Which might you use to observe the properties of matter
1 resource we need like air
2 anything we see like tree
3 anything we feel like water
4 anything that takes up to space
Paleontologists identify a new species of fossil on two different continents. What geological process would most likely for this fossil being found in both places.
Continental drift, it is possible that the fossil could have been present on both continents at some point in the past.
What is Continental drift ?The idea of continental drift holds that throughout the course of geologic time, the Earth's continents have migrated in relation to one another, giving the impression that they are "drifting" across the ocean floor.The fossil record is one type of evidence that strongly supported the Theory of Continental Drift. Scientists have discovered fossils of similar plants and animals in rocks of comparable age. These rocks were found on the shores of various continents. This implies that the continents were once connected.Continental drift has had numerous effects on the universe. It has had an impact on the global climate, geographical positions, and animal evolution. Volcanoes, earthquakes, and tsunamis are all dangerous side effects of continental drift.To learn more about Continental drift refer :
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in which stage of fire development does structural collapse become likely due to the weakened state of structural members and buildup of water?
Answer:
decay
Explanation:
what term is used for the muscles and glands whose activities are controlled by nervous activity?
Answer:
Muscles and glands are called effectors because they cause an effect in response to directions from the nervous system
Explanation:
Your science class is observing the organisms found in local pond water. You have discovered this paramecium and are hoping to observe how the paramecium injects food. Your lab partner suggests using an electron microscope to see all the details in 3-d. You disagree: you believe a light microscope must be used. Using the table, support your decision to use a light microscope.
You want to observe life processes. You cannot use an electron microscope to observe living specimens
What is paramecium ?A ciliated, monocellular protozoan, the Paramecium. Under a microscope, it appears as an oval, slipper-shaped microorganism with rounded front and top edges and pointed bottom. It is also visible with the unaided eye.
By hundreds of times, an optical microscope can magnify a drop of pond water. It reveals a vibrant community of life with just one cell.
With the aid of a scanning electron microscope (SEM) and an X-ray projection microscope (XRM) with a computer tomography (CT) capability, samples of Paramecium caudatum are examined. Glutaraldehyde and osmium-tetra oxide acid are used as fixatives to fix the samples.
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this field of study examines the evolutionary history of a species or a group of related species.
Phylogenetics examines the evolutionary history of a species or a group of related species.
Phylogenetics is the study of the evolutionary relationships and histories among individuals, populations, species, or other groups of living things having evolutionary histories (e.g., genes, biochemicals, or developmental mechanisms).
These connections are made using phylogenetic inference techniques that concentrate on heritable qualities that can be observed, including DNA sequences, protein amino acid sequences, or morphology.
Phylogenetics is significant because it improves our comprehension of how genes, genomes, species, and, more broadly, molecular sequences, evolve. It uses information from molecular sequencing (such as homologous sequences, protein sequences, nucleotide sequences, etc.).
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which structure is highlighted? rev: 07 06 2018 qc cs-130755 multiple choice auricle cochlea vestibule of ear tympanic membrane semicircular ducts
The cochlear nucleus is the starting point of the auditory pathway, which continues through the superior olivary complex.
What are the structures of the ear in order?The outer, middle, and inner ear are the three components that make up the ear. In order to transfer sound from the outside section of the ear through the middle and into the inner part of the ear, all three elements of the ear must operate together.External auditory canal, drum, stapes, incus, malleus, and cochlea are all related terms. Q.The cochlear nucleus is the starting point of the auditory pathway, which continues through the superior olivary complex, inferior colliculus, and medial geniculate nucleus. Each relay nucleus along the route decodes and combines the information before projecting it to the auditory cortex.To learn more about cochlea refer,
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analysis of the spinal tap shows the presence of gram-negative bacteria cocci; for this age group which bacteria would be the probable cause of these symptoms?
The bacteria would be probable cause of these symptoms is Neisseria meningitidis.
The outer membrane of Gram-negative bacteria contributes to their ability to cause disease. In the decades that followed group, B Streptococcus replaced Staphylococcus aureus as the most common Gram-positive bacterium causing early-onset sepsis.GBS and E. coli are currently the most frequently identified organisms.
When someone gets meningococcal sepsis the bacteria enter the bloodstream multiply and damage the walls of blood vessels. This leads to bleeding of the skin and organs. Symptoms may include fever and chills. Meningococcal meningitis is caused by a bacterium known as meningococcus. There are several species or serogroups of meningococci.
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Which of the following is not an example of nonspecific (innate) immunity?
Phagocytic cells
Skin
Antigens
Acid in the stomach
Natural killer cells
Antigens do not represent innate (nonspecific) immunity.
Which does not make up the immune system's general defense?Killer T-cells (D) They are a component of learned immunity.They participate in the third line of defense for the body.Therefore, they do not make up non-specific defense.Note: It's crucial to keep in mind the various plant species, their distinguishing traits, and examples.Anatomical barriers, inhibitors, phagocytosis, fever, inflammation, and IFN are examples of nonspecific defenses.Innate, adaptive, and passive immunity are the three types that exist in humans. Everyone is born with inherent (or natural) immunity, a form of all-encompassing defense.The skin, for instance, serves as a barrier to prevent germs from entering the body.To learn more about the immune system's general defense refer to:
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DNA is responsible for transmitting genetic information by the sequencing of monomers known as_______
Does salt water have
higher levels of dissolved oxygen than fresh water
Answer: No
Explanation:
Salt water does not have more oxygen than fresh water and hears why.
Dissolved oxygen is the amount of oxygen dissolved in the water. Dissolved oxygen is one of the indicators of water quality. People need oxygen in the atmosphere to survive and animals that live in the ocean, like fish, need dissolved oxygen in the water to survive.
The development that freed vertebrates from water for reproduction and allowed them to radiate into diverse terrestrial environments was the _____.
The development that freed vertebrates from water for reproduction and allowed them to radiate into diverse terrestrial environments was the evolution of amniotic egg.
One of the key evolutionary differences between higher creatures like reptiles, birds, and mammals and amphibians is the amniotic egg, which emerged more than 300 million years ago. Amphibians were only able to live in damp conditions where the eggs could remain moist. The development of the amniotic egg allowed for the spread of animals to diverse terrestrial environments.
The creation of amniotic membranes allowed amniotes to spread out into drier habitats since their embryos had access to their own aquatic environment, which reduced their reliance on water for growth.
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which two proteins slide past each other in the sliding filament theory of muscle contraction?
The sliding filament theory proposes that during muscular contraction, myosin (the thick filaments of muscle fibres) slides past actin (the thin filaments), but the lengths of the two filamentous groups are essentially unchanged.
Which two proteins manoeuvre around one another to cause a muscle contraction?Actin filaments entering the H zone and A band as a result of myosin and actin filaments slipping past one another explains these alterations. Thus, the interaction of the actin and myosin filaments, which causes their movement in relation to one another, causes muscle contraction.
In these publications, it was suggested how the interaction between myosin and actin filaments created contractile force at different phases of muscle contraction. The positions of myosin and actin filaments were reported.
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what would be the advantage of regulating gene expression at many levels rather than simply regulating at one level?
The regulation of gene expression at many different level is helpful because different genes can be regulated at different points and different proteins are expressed.
What is the benefit of regulating gene expression at many levels?The regulation of gene expression conserves both energy and space. It would require a significant amount of energy for the organism to express every gene at all times, hence it is more energy efficient to turn on the genes when they are required.
Gene expression is controlled at the level of transcription as a result of binding of proteins to specific sites on DNA. Regulation is divided into five levels, that are: epigenetic, transcriptional, post-transcriptional, translational and post-translational.
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Which efferent pathway has a single nerve fiber extending from the cns to effector?.
Somatic pathway has a single nerve fiber extending from the CNS to effector.
Somatic senses are senses that have to do with the experience of touch. Somatosensory pathways transfer information that lies between brain and nerves in the skin and organs. Ascending pathways, also called afferent pathways, send somatosensory information from the body up to the brain through a series of afferent nerves.
Somatic afferent (GSA) system consists of the neurons which are transferred primarily by the fifth cranial nerve present on the surface of the head and spinal nerves to the surface of body and limbs that are sensitive to touch, temperature and stimulus.
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systematics is a field of study that seeks to determine how organisms within a given system interact with each other and their environment.
Finding out how organisms within a system interact with one another and their environment is the goal of the field of research known as systematics. FALSE
Systematics is the study of how living things have changed over time, both in terms of their current forms and their historical relationships. Evolutionary trees serve as a representation of relationships. Branching order and department duration are two additions in phylogenies.
What relationships do organisms have with one another and with their surroundings?There are four primary types of two-way interactions between species in ecological webs: mutualism, commensalism, competition, and predation (which includes herbivory and parasitism). A food web contains numerous connections between species, thus changes to one species can have a significant impact on other species.
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Students need to design a self propelled toy boat with a flag on its top. When the flag collides with a low bridge, the flag must fall off. Two students build boats the same way with the same mass. They also boy use inflated balloons to propel the boats. The first student fills her balloon with twice as much air as the second student.
Answer: The first student is more likely.
Explanation: The first student has more air which means by the time it gets to the bridge it will have lost less air than the second student.
So since they lost less air that means that the balloon will be bigger and the flag will be more likely to get knocked off.
explain the function of the thymus gland and the hormone it secretes. include how hormone release is regulated and what cells the hormones act on.
Several hormones are produced and released by your thymus, including Thymopoietin: stimulates T-cell generation and instructs the pituitary gland to produce hormones. Thymosin and thymulin: aid in the development of certain T-cell subsets.
What hormones are produced by the thymus gland?Thymosin, a hormone required for the growth and generation of T cells, is produced and secreted by the thymus. The thymus is unique in that, in contrast to other organs, it grows the fastest in young children.
The organ most in charge of producing and maturing immune cells, particularly the tiny lymphocytes that guard the body from external antigens, is the thymus. The lymphoid tissues' resident cells come from the thymus, which also promotes the tissues' maturity and optimal performance.
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What are three parts of cell theory
Answer:
1. All living things are composed of cells.
2. Cells are the basic unit of structure and function in all living things.
3. All new cells come from pre-existing cells
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Explanation:
does the pituitary gland have an effector? If so what is it?
Answer:
The pituitary hormones instruct a peripheral organ to secrete effector hormones with widespread effects on many tissues.
Explanation:
Is the practice of placing species and/or groups of species into the taxonomic hierarchy.
Classification is the method of placing species and/or groups of species into a taxonomic hierarchy.
Classification Used to classify organisms into different categories. This includes descending or ascending category order from Kingdom to Species or vice versa. Domain is the highest rank in the hierarchy, followed by division or kingdom, phylum, class, order, family, genus, and species. Taxonomy is the science of naming, describing, and classifying living things. , all plants, animals, and microorganisms around the world. Taxonomy is the study of classifying organisms such as animals, plants, microbes and humans into different categories for further study and identification. For example, from a different point of view, humans and whales are her two unrelated creatures. However, both are considered mammals and are taxonomically related. A taxonomy based on his four aspects: characterization, identification, nomenclature and classification. So the correct choice is "characterize, identify, nomenclature, classify".
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consuming carbohydrates and fats in sufficient quantities will protect protein from being used for energy. this process is known as .
The three primary categories of macronutrients in diet are carbohydrates, proteins, and fats (nutrients that are required daily in large quantities).
How are carbs, lipids, and proteins utilised for energy?Energy is obtained from carbohydrates (glucose). After being broken down into fatty acids, fats are utilised as a source of energy. Although protein may be used for energy, its primary function is in the synthesis of hormones, muscle, and other proteins. Cells use glucose, which is broken down, as an energy source.
The oxidative processes that occur in the cytoplasm and mitochondrion of the cell, where proteins, lipids, and carbohydrates go through a series of metabolic processes generally known as cellular respiration, result in the production of ATP.
The nutrients, such as fat and carbs, that your body need in big quantities are known as macronutrients..
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Will and Juan decided to make a snack after school: peanut butter and jelly sandwiches and a glass of cold milk. They assembled the following ingredients:
bread
whole milk
grape jelly
peanut butter
Which food likely has the FEWEST calories per gram of serving and defend why?
Answer: Grape Jelly
Explanation: Because it contains primarily simple sugars