The albino rabbit was born with white fur, if this rabbit lives in a snowy environment then the white fur would increase its fitness in this environment. Thus, the correct option is B.
What is camouflage?Camouflage is also called as cryptic coloration. It is a defense mechanism or tactic which the organisms use to disguise their appearance in the environment, usually to blend in with their surroundings so that they cannot be caught by the predators.
Fur present on the rabbit body helps them to camouflage, with their surroundings in the snowy environment, and these animals eat their own poop in order to get the water which they need to survive in this condition. Some rabbits hide in a form to avoid getting eaten by a predator.
In the winter, as the days grow shorter, less melanin is produced in the cells. This, in turn, means that a rabbit's new coat which is of white color will lack pigmentation. In the snowy environment, it is quite common for a rabbit's fur to turn completely white and hence increases the fitness in the environment.
Therefore, the correct option is B.
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Answer: The white fur would DECREASE its fitness in this
environment.
Explanation:
the level of an antimicrobial agent which will eliminate the pathogen if the level is maintained over a period of time ___ .
The level of an antimicrobial agent which will eliminate the pathogen if the level is maintained over a period of time _therapeutic dosage level__ .
What is therapeutic dosage level ?A therapeutic dosage is a radiation dose administered to a patient or human research subject from a sealed source that contains radioactive material for palliative or curative treatment.
The relative safety of a medicine is quantified by the therapeutic index (TI; also known as the therapeutic ratio).
In general, the dosage of a medication or other therapeutic agent with a narrow therapeutic range—i.e., minimal difference between toxic and therapeutic doses—can be changed in accordance with measurements of the actual blood levels attained in the patient. Therapeutic drug monitoring (TDM) methods can help with this. Due to TDM's limited therapeutic range, it is advised to use it in conjunction with lithium to treat psychiatric disorders.
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How do
modest or
extreme
environmental
changes affect
the long-term
stability of an
ecosystem?
the tyr, trp2, and trp1 genes may be located on different chromosomes but are activated by the same transcription factor.
The TYRTYR, TRP2TRP2, and TRP1TRP1 genes may be located on different chromosomes but are activated by the same transcription factor.
Proteins called transcription factors control the transcription of genes, which is the copying of genes into RNA before they are used to make proteins. Numerous transcription factors are present in the human body. Likewise, so does the body of a fungus, tree, or bird. The proper expression of the correct genes in the appropriate bodily cells at the appropriate time is made possible by transcription factors. Typically, DNA is bound by a transcription factor at a specific target sequence. Once coupled, the transcription factor alters how easy or difficult RNA polymerase finds it to bind to the gene's promoter. Transcriptional regulation, or the copying of genes into RNA before they are utilised to generate proteins, is governed by proteins known as transcription factors.
The human body has several transcription factors. The same is true of a tree, fungus, or bird's body. Transcription factors enable the appropriate expression of the appropriate genes in the appropriate body cells at the appropriate time.
Hence, operon gene are activated by single transcription factor.
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people with darker skin benefit in high uv light areas because they are at a lower rate of the destruction of:
People with darker skin benefit in high UV light areas because they are at a lower rate of the destruction of folate, and require more UV for vitamin D synthesis.
What is UV light?With a wavelength ranging from 10 nm to 400 nm, ultraviolet radiation is a type of electromagnetic radiation that is shorter than visible light but longer than X-rays. Sunlight contains UV radiation, which makes up around 10% of the Sun's overall electromagnetic radiation output.
What is Vitamin D?It is a fat-soluble vitamin that has long been known to aid in the body's absorption and retention of calcium and phosphorus, both of which are essential for bone development. Additionally, vitamin D can help prevent infections, lessen inflammation, and slow the formation of cancerous cells.
Hence, people with darker skin benefit in high UV light areas because they are at a lower rate of the destruction of folate, and require more UV for vitamin D synthesis.
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glycolosis that starts with glycogen instead of glucose can be considered to have a higher energy yield because
Glycolysis that starts with glycogen instead of glucose can be considered to have a higher energy yield because, phosphorylase produces a glucose phosphate without spending any ATP to do it.
How does glycogen affect glycolysis?Glycogen degradation in myocytes provides the energy needed for muscle contraction by introducing glucose-6-phosphate for glycolysis reaction. Phosphorylase kinase is an enzyme that activates glycogen phosphorylase, which releases glucose-1-phosphate from glycogen.Glucose phosphate is the initial intermediate of glucose metabolism and is essential for the liver's energy metabolism. It serves as a metabolic connector for glycolysis, the pentose phosphate route, glycogen synthesis, de novo lipogenesis, and the hexosamine pathway.The presence of glycogen as a glucose source in muscle cells allows ATP to be produced for a longer period of time during exercise. During glycolysis, the majority of other carbohydrates enter the cellular respiration pathway.Learn more about phosphorylase here: brainly.com/question/23078927
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What is the difference between mitochondrial and cell DNA-based fingerprinting analysis?
*Question on my Gel Electrophoresis Lab
Nuclear DNA is bulkier than mitochondrial DNA. The main difference between mitochondrial DNA and nuclear DNA is that mitochondrial DNA contains the genetic information required for mitochondria, whereas nuclear DNA contains the genetic information required by the entire cell.
what is mitochondrial ?Mitochondria are frequently referred to as the "powerhouses" of the cell. They help transform the energy we get from food into energy the cell can use.
what is cell DNA?DNA, commonly referred to as deoxyribonucleic acid, is the genetic material carried by humans and nearly all other organisms. A person's cells almost all have the same DNA.
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what happens to the exterior temperature of these planes as they leave the ground
The thing that happens to the exterior temperature of these planes as they leave the ground is that the exterior temperature will decreases very steadily.
How does the temperature decreases with altitude?The concentration of greenhouse gases declines as elevation rises (Water vapor and carbon dioxide fall sharply with elevation). As a result, the atmosphere's ability to absorb heat will likewise decline.
Note that as you go higher, the air gets colder closer to the Earth's surface. For every 1000 meters you gain while climbing a mountain, you may anticipate a 6.5 degree Celsius drop in air temperature.
Therefore, in the above case, this happens as the plane initially ascends through the troposphere; as they ascend higher, the temperature of the plane falls. The temperature rises when the aircraft enters the tropopause, which is the boundary between the troposphere and the stratosphere.
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See full question below
commercial jets fly in the lower stratosphere. what happens to thhe exterior temperature of these planes as they leave the stratosphere and return to the ground
Please briefly describe yourself in 3-4 sentences.
Answer:
To give a correct answer, you'd have to describe yourself. But if you're asking me this question, then I'd say:
I am a outgoing, extroverted funny person. I am also considered artistic and smart. I often push boundaries of others and don't realize, yet I'm working on that.
Knowledge of the structure of DNA is important in the study of life because DNA
HELP MEE I NEED THIS DONE ASAP
Hypothesis testing is a formal technique for using statistics to test our ideas about the world. It is most commonly used by scientists to test certain predictions derived from a theory called a hypothesis.
There are five main steps in hypothesis testing.
State the research hypothesesCollect data in a manner designed to test the hypothesis.Performs appropriate statistical tests.Determines whether to reject the null hypothesis.Present the results in the Results and Discussion section.What is the role of mitochondria?
The classic role of mitochondria is oxidative phosphorylation, which uses the energy released during the oxidation of the food we eat to generate ATP. ATP, in turn, is used as the primary energy source for most biochemical and physiological processes, including growth, locomotion, and homeostasis.
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A measure of the amount of greenhouse gases produced, shown as units of carbon dioxide
emissions, is the
carbon footprint.
smog level.
carbon level.
air quality index.
Answer:
carbon footprint
Explanation:
A carbon footprint is a measure of the impact our activities have on the environment, and in particular climate change. It relates to the amount of greenhouse gases produced in our day-to- day lives through burning fossil fuels for electricity, heating and transportation etc.
which new chromosome(s) would represent an inversion of a chromosome that originally contained the segments ABCDE?ACBDEADCBEABBCDECDEABDCEABCXYZAnswer:ACDEACBDEADCBEABDCE
The new chromosomes would look like : ACBDE, ADCBE, ABDCE
What are the chromosomal sequences ?A procedure carried out in the lab to ascertain the complete genetic make-up of a particular organism or cell type is called chromosomal sequencing . This approach can be used to detect changes in specific regions of the genome. These modifications could aid research into how particular diseases, like cancer, develop.
Chromosomes are found in the cell nucleus of all plants, animals, and humans. There are 46 chromosomes in humans, including one pair of sex chromosomes (XX or XY) and 22 pairs of numbered chromosomes (autosomes).
There are four different kinds of DNA nucleotides that are naturally occurring nitrogenous bases: adenine (A), thymine (T), guanine (G), and cytosine (C).
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Which of the following technological advancements allows scientists to study cells?
2. beginning with the vena cava, describe the flow of blood through the heart, pulmonary circuit, and systemic circuit. be sure to include each of the heart chambers and valves. note when the blood becomes deoxygenated and oxygenated.
The right atrium receives deoxygenated blood through the vena cava, which are large veins. This initiates the pulmonary circuit, in which the right atrium pumps blood that has lost oxygen to the right ventricle via the tricuspid valve.
What are the steps involved in circulation of blood in humans ?
Blood is ejected from the right ventricle into the pulmonary arteries by contracting and passing through the pulmonary semilunar valve. The pulmonary arteries travel to the capillary beds that line the lungs' alveoli, where the blood loses its carbon dioxide and picks up oxygen. The pulmonary circuit is finished and the systemic circuit is initiated as the oxygenated blood travels through the pulmonary veins back to the left atrium.
Blood is pumped from the left atrium into the left ventricle through the bicuspid/mitral valve. The aortic semilunar valve opens when the left ventricle contracts, ejecting oxygenated blood into the aorta. The aorta divides into smaller arteries, then into even tiny arterioles, and finally into many capillaries. Here, there is a gas exchange where oxygen is given to the tissue and carbon dioxide is taken up by the tissue. Before returning to the vena cava, the deoxygenated blood travels through veins and venules. Thus, the systemic circuit is finished.
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Describe the flow of blood through the heart by placing the following structures in order. Begin and end with the vena cava. Also, identify whether the blood is oxygenated or deoxygenated.
Which statement best describes why computer models are useful in science?
a.They can store and process data to make accurate weather predictions.
b.They are used to create more complex representations of large systems.
c.They cannot be revised after they are developed, tested, and shared with others.
d.They can be used to accurately make predictions without scientific evidence.
The answer is: a.They can store and process data to make accurate weather predictions.
Answer:
A
Explanation:
They can store and process data to make accurate weather predictions.
What happens to daphnia heart rate when the temperature rises ?
Answer:
It'll receive less oxygen
Explanation:
Less oxygen would be present in the warmer water, which could be one explanation for Daphnia's heart rate rising with temperature. Because there may not be enough oxygen in the blood, the heart would have to work harder to pump blood throughout the body.
the ____ is a small lobe deep to the lateral sulcus that is not visible unless the temporal lobe is reflected back.
Only when the temporal and frontal lobes are separated can the insula lobe, which is situated deep inside the lateral fissure, be viewed.
Which cerebral lobe is not visible from the surface of the brain and is located deep to the lateral sulcus?The anterior insula is a region of cortex that is folded within the lateral sulcus between the frontal and temporal lobes and is hidden from view on the brain's lateral surface.
What parts of the brain may be seen from the side?The cerebrum, cerebellum, and brainstem are visible in the lateral view of the brain as are the other two major brain regions. The ideal vantage point from which to understand the lobes of the hemispheres is a lateral view of the cerebrum.
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A child with the Gene's for PKU( a recessive disorder that leads to brain damage because proteins aren't digested properly) is raised to adulthood under a strict low protein diet that prevents the gene from being activated. He lives a normal life and eventually becomes a father. As a genetic counselor, explain whether the fact that his gene is inactive affects the probability his future children might inherit PKU allele.
There is a 25% probability that both of the carrier parents will pass on the mutant gene to the offspring, resulting in PKU.
How is PKU passed down?PKU has an autosomal recessive inheritance pattern within families. A individual has two copies of the gene that is changed if autosomal recessive inheritance applies. A person with PKU typically has one copy of the mutated gene in each parent.
How does a person get PKU or inherit it?PKU is a hereditary condition that is inherited from one's parents. A newborn must inherit a certain gene mutation for PKU from each parent in order to have the condition. if only one parent contributed the gene to the child.
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Rank the following point mutations in order of least damaging to most damaging if they occur in the middle of the coding sequence of a polypeptide.
If the point mutations listed below occur in the midst of a polypeptide's coding sequence, rank them from least to most harmful.
How is selective toxicity defined?The characteristic of a perfect antimicrobial agent known as selective toxicity indicates that the medicine can hurt a bacterium without harming the host. A medicine in a dose that the host can tolerate may harm an infecting microbe. Selective toxicity is sometimes relative rather than absolute.
Which of the following is true with regards to the emergence of antibiotic resistance in bacterial populations?A bacterial population that has already developed a resistant phenotype is selected for by antibiotic exposure.
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If the experimenter is concerned about subject variables impacting the results of a study, a researched might find it best to use a _____
If the experimenter is concerned about subject variables impacting the results of a study, a researcher might find it useful to use a restriction.
Subject variables are characteristics that can't be manipulated by the researchers conducting experiments. They are not a primary interest of the research but may influence the study result and thus must be accounted. Some examples of subject variables are age, intelligence, marital status, and religious affiliation.
Generally, there are four methods that one can do to decrease the impact of subject variables:
Restriction: restricting samples by only including subjects that fulfill certain criteria.Matching: match each subject with a counterpart.Statistical controlRandomization: assign treatment in study randomly.Learn more about subject variable at https://brainly.com/question/13860902
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The biological species concept works well with all of the following, except
A. bacteria B. insects C. mammals D. flowering plants
The biological species concept works well with all except bacteria.
What is the biological speciation concept?A species taxon is a collection of creatures that may effectively interbreed and give birth to viable offspring, according to the Biological Species Concept. That idea holds that both interbreeding within a species and reproductive barriers between creatures of various species help to protect the integrity of a species.The process of speciation results in the emergence of new species. An ancestor species that can no longer interbreed separates into two or more descendant species that are genetically distinct from one another during speciation.The biological species concept (BSC) was created to help people comprehend biological variety, notably the widely acknowledged finding that sexually reproducing organisms are more likely to be found in genetic and phenotypic clusters than in a continuum of forms.Learn more about biological speciation concept refer to :
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Phosphorous is difficult for plants and animals to access in nature
The majority of the element phosphorus in the environment is held in reservoirs, making it challenging for plants and animals to obtain it in the natural world.
The only essential nutrient cycle without a gas phase is the phosphorus cycle. The major form of phosphorus found in sedimentary rocks is phosphate. Only by a gradual weathering process do the phosphate compounds enter the soil and water.
Why is it challenging for plants and animals to get phosphorous in nature?Because phosphorus concentrations in soil are typically low, this element is frequently a limiting factor for plant growth. That is why people frequently apply phosphate fertilizers on agricultural land. Due to its low water solubility, phosphorus is also a limiting factor for plant growth in marine habitats.
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A factory dumps toxic waste in the forest. If the waste enters level C, but goes no further, it will:
A factory dumps toxic waste in the forest. If the waste enters level C, but goes no further, it may affect humans, animals, and plants whether it winds up in the ground, waterways, or even the air.
What is c-waste?The average concentration of Class C garbage is 7.00 curies/cubic foot. This waste is polluted with certain long-lived nucleotide and includes more short-lived radionuclides than both Class A and Class B nuclear waste.
C&D garbage is created during the construction, remodeling, repair, and destruction of residences, big building structures, highways, bridges, piers, and dams.
The potentially harmful output of a variety of operations, including manufacturing, farming, water treatment systems, construction, automobile garages, labs, hospitals, and other businesses, is hazardous or toxic waste. The waste might be solid, liquid, or sludge and could include pathogens, radiation, heavy metals, chemicals, and more. Even in the home, hazardous waste is generated by objects such as batteries, discarded computer equipment, and residual paints or pesticides.
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Will warmer oceans be better or worse at absorbing CO2, and why?
Please help, giving brainliest
No, warmer oceans not better at absorbing CO₂.
Why warmer oceans hold less CO₂?The ocean covers around 70% of the Earth's surface. As a result, it's not unexpected that it has a significant impact on the Earth's ecosystem. Ocean water absorbs energy (heat) when the Earth warms, distributing it more equally throughout the globe. The ocean also takes up carbon dioxide from the atmosphere of the planet.
Temperature is the key to dissolving carbon dioxide. According to the study, a lot more CO₂ is dissolved in the ocean's coldest waters because cold water is better at absorbing and dissolving gases like CO₂ than warmer water.
Thus, no warmer oceans not better at absorbing CO₂.
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Molecules that impart positional information and promote developmental changes at the cellular level are most accurately referred to as _______.
Molecules that impart positional information and promote developmental changes at the cellular level are most accurately referred to as morphogens.
What are morphogens ?Developmental biology places a lot of importance on the idea of "morphogens." A morphogen is, by definition, a chemical that emerges from a particular group of cells, is present in a gradient of concentration, and determines the fate of every cell along the gradient.
Morphogens are substances that create a graded distribution and cause various cellular reactions that are dose-dependent. They serve to convey positional information to individual cells within a field, which is then interpreted to produce spatial patterns.
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adrenal glands produce a variety of hormones influencing sodium retention, glucose metabolism, estrogen production, and sympathetic nervous activity. responses
True adrenal glands produce a variety of hormones influencing sodium retention, glucose metabolism, estrogen production, and sympathetic nervous activity, responses
What hormones are produced by adrenal glands ?On top of your kidneys are your adrenal glands, which are endocrine glands. Cortisol, aldosterone, and adrenaline are just a few of the crucial hormones they produce. Your body's response to stress, blood pressure, metabolism, and other bodily processes are all controlled by the adrenal hormones.
Small, triangular-shaped glands called adrenal glands, or suprarenal glands, are situated atop each kidney. Your immune system, blood pressure, response to stress, and other vital processes are all regulated by the hormones that your adrenal glands produce.
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Identify the features of vertebrates (craniates/vertebrates) that set them apart from the non-vertebrate chordates, like the lancelets.
The clade Vertebrata includes all vertebrates. Vertebrates show all four of the chordates' distinguishing characteristics, but they also belong to two distinct clades.
What distinguishes chordates from other vertebrates in terms of craniates?Characteristics. The chordate subphyla aren't included in the term "craniates" because it simply refers to chordates with distinct heads. Tunicata (tunicates) and Cephalochordata (lancelets), but also Myxini, which contain keratin-based tooth-like features and cartilaginous craniums.
What distinguishes craniates from vertebrates?All vertebrates fall under the phylum Craniata, as well as hagfishes (Myxini), which lack a backbone but have a skull. The only known living thing without a spinal column and a skull is the hagfish. Vertebrates are known as craniates because they possess a skull or cranium.
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Adaptations are characteristics
that increase an organism's
chance of survival in their
environment. Which is TRUE
about adaptations?
Only herbivores have adaptations.
They must be inherited. This is answer
Answer: They must be inherited.
Explanation:
All types of animals can have adaptations. Herbivores, carnivores, omnivores, alongside bacteria and viruses
What is the name of the structure in the inner ear which serves to maintain a sense of equilibrium and orientation in space?.
The vestibular system in the inner ear serves to maintain a sense of equilibrium and orientation in space.
The vestibular system is the sensory system present inside the ear. It detects the position and movement of head. Therefore it provides the sense of balance and body position. The vestibular system is comprised of utricle, saccule, and three semicircular canals.
Ear is the organ of hearing and balance of the body. The ear is divided into three sections: outer, middle and inner. The outer ear is called pinna and is made up of cartilage and skin. The middle ear has the structure related to hearing and the inner ear provided the balance to the body.
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the fight-or-flight response is associated with the release of_____ into the bloodstream. group of answer choices A) serotonin B) oxytocin C) lymphocytes D) stress hormones
The fight-or-flight response is associated with the release of stress hormones into the bloodstream.
Thus, the correct answer is D.
What is the stress hormone?The stres hormones are known as adrenaline. Аdrenаline (epinephrine) is а hormone your аdrenаl glаnds send through your bloodstreаm. When you are scаred or stressed suddenly, аdrenаline is quickly sent into your body. This is commonly known аs аn аdrenаline rush becаuse it hаppens so fаst. You’ve probаbly heаrd of "fight or flight". Аdrenаline is whаt gets your body reаdy to fight or flee dаnger.
Аdrenаline serves а purpose by helping you reаct in а dаngerous situаtion. But there аre times when it’s not helpful to body. Nicotine mаkes your body releаse аdrenаline, which cаuses your heаrt to beаt fаster аnd your blood pressure to rise.
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