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A: An X-linked trait is regulated by the genes present on the X chromosomes.
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A: Anaerobic respiration is sometimes is also known as fermentation, it is a metabolic process in which...
Q: 1. Which of the following are taken into consideration when classifying living things? c. Both A and...
A:
Q: Explain why smaller populations are more vulnerable to the lossof genetic diversity
A: Genetic diversity is the sum of an organism's overall genetic traits at the gene level. It is not th...
Q: How did the experiments of Redi and Pasteur refute the spontaneous generation hypothesis?
A: Introduction In this question we will discuss about the Redi and Pasteur experiments
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A: A microscope is a laboratory instrument used to examine objects that are too small to be seen by the...
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A: Microbiology has gone a long way since the discovery of microorganisms and is now of considerable us...
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A: Receptors receive the signaling molecules that bind to them.
Q: Use an example to explain how a change in the environment canfavor a mutation that had previously be...
A: Mutation means change in DNA sequence.The factors which are responsible for mutation know as mutagen...
Q: Describe four types of RNA that perform distinctfunctions
A: Introduction :- Ribonucleic acid (RNA) is a linear molecule made up of four different ribonucleoti...
Q: 1. An albino man whose parents are both normal marries a woman one of whose parents is normal and th...
A: Given information Albino man has parents who are both normal. He marries a woman who has one normal...
Q: Describe some models of speciation and give examples of each.
A: An evolutionary process IN which a new species comes into form is known as speciation. A species is ...
Q: Two albinos marry and have four normal children. Howis this possible?
A: Introduction Albinism is a genetic condition that causes a person's skin, hair, and eyes to be excee...
Q: The number of species on an island depends on the size of the island and its distance from a mainlan...
A: Species are groups of organisms that can interbreed and produce fertile progeny.
Q: Explain why a harmful allele can persist at high frequency ina population.
A: An ALLELE of a gene having impacts on the PHENOTYPE are expected to result in a decrease in FITNESS ...
Q: What are the important lessons in "Bases of Biological Classification"?
A: The branch of biology that deals with the classification are named taxonomy. The biological c...
Q: Human Karyotype B (questions #7 to #12) 7. The diploid number is 46. 8. The haploid number is 23 onl...
A: Karyotype: A karyotype is a collection of all metaphase chromosomes in a species' or individual orga...
Q: Why is leguminous crop rotation used in agriculture?
A: Introduction In this question we will discuss about why leguminous crop rotation is used in agricult...
Q: Zhoukoudian Cave provides clear evidence that Group of answer choices A: Homo erectus ventured as fa...
A: Zhoukoudian Cave This archaeological site is found near Beijing. Complete skulls, mandibles, teeth,...
Q: Evolution______ . a. is change in a line of descent b. is the same as natural selection c. is the go...
A: Different patterns are associated with evolution and such patterns help in categorizing evolution in...
Q: Embryological explanation why branchial arches are absent in humans but not in fishes.
A: Introduction: Branchial arches are also known as pharyngeal arch. They are embryonic structures th...
Q: Bone mineral has the following --properties None O Has a fair amount of tensile strength O Can be be...
A: Bone Minerals: The inorganic component of bone tissue is bone mineral (also known as inorganic bone...
Q: Men have slightly higher values(BMR) than women, because women have less body fat and therefore use ...
A: Basal metabolic rate(BMR) It is the number of calories body needs to accomplish it's most basic or b...
Q: In the scientific competition against fixism, what are the main arguments that favor evolutionism?
A: Introduction :- The theory of evolution is founded on the assumption that all species are connected ...
Q: In the nematode C. elegans, some worms have blisteredcuticles due to a recessive mutation in one of ...
A: Suppressor mutations are defined as the mutations that take place only if there is the presence of a...
Q: Men have slightly higher values(BMR) than women, because women have less body fat and therefore use ...
A: Metabolism is defined as the entire quantity of biochemical events that occur in an organism's cells...
Q: In Figure 7-7, do you recognize any of the componentsused to make Watson and Crick’s DNA model? Wher...
A: DNA is made up of nucleotidea. Each nucleotide is made up of a phosphate group, dexy ribose pentose ...
Q: QUESTION 7 Which of the following best describes PCR? O a. A process through which amino acids can b...
A: Amino acids are monomers' unit that is linked by peptide bonds to form a long chain of amino acid ca...
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A:
Q: Explain why DNA is structurally stable
A: DNA is genetic material which stores the genetic information of the body.
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A: Arteris are blood vessels that transport oxygenated blood filtered by lungs from heart to all the bo...
Q: How did the first fermenting autotrophs appear? What about the first aerobic organisms?
A: Autotrophs, like heterotrophs, respire or ferment and consume the organic molecules they produce; th...
Q: Men have slightly higher values(BMR) than women, because women have less body fat and therefore use ...
A: Basal metabolic rate: it is the minimum required energy to perform basic functions of the body at re...
Q: What is the carbon cycle?
A: Introduction Living organisms have an impact on the carbon cycle, which represents the circulation a...
Q: the most common method of * indicating pressure in medicine is by the height of a column of mercury ...
A: A manometer is an instrument used to measure and indicate pressure, it is used for measuring the liq...
Q: blap The reason that x-rays show bones so well Ca it absorbs x-ray much better than surrounding soft...
A: Introduction: Bones are constituted of calcium in the form of calcium phosphate and calcium carbonat...
Q: The diagram below shows paired strands of a DNA double helix. If this molecule were to undergo one r...
A: The functions of DNA and RNA are controlled by genes. Genes are made up of a distinct collection of ...
Q: Historically, how has the origin of life on earth been explained?
A: Introduction The mythological explanation for the phenomenon of life on Earth is the most frequently...
Q: Give examples of the different classes of mutations that affect the base sequence of DNA in protein ...
A: Mutations are well stated to define that they are used to refer to changes or alterations that occur...
Q: A certain Drosophila protein-encoding gene has one intron. If a large sample of null alleles of this...
A: Introduction :- Any nucleotide sequence within a gene that is deleted by RNA splicing during the mat...
Q: Young's modulus for bone has a constant value for all bones
A: Young's modulus is defined as the ratio of Tensile stress to tensile strain. And it tells how easily...
Q: Define the features recognition sequences ?
A: Restriction enzymes are endonucleases and digest the DNA molecules into smaller fragments.
Q: 8. Which field of science deals in naming and classifying organisms? a. Cladistics Taxonomy c. Syste...
A: The technique that groups life organisms that share determined characters is called cladistics. Taxa...
Q: Explain the modern concept of a gene in terms of its information content and function.
A: Gene It is a unit of genetic information that sits at a specific location (locus) on a chromosome....
Q: PCR can be used______ . a. as a cloning vector b. in DNA profiling c. to modify a human genome
A: DNA is the genetic material present in the cells of living beings.
Q: If you think of geologic time spans as minutes, life’s history might be plotted on a clock such as t...
A: Geology is the science that studies the dynamics and physical history of the earth, the rocks that m...
Q: A researcher crosses two white-flowered lines ofAntirrhinum plants as follows and obtains the follow...
A: Introduction Sir Gregor Mendel is known as the Father of Genetics. He was the pioneer scientist who...
Q: Use examples to explain sexual selection and its outcomes.
A: Sexual selection is a type of natural selection in which members of one biological sex choose mates ...
Q: Which of the following is not a key property of hereditarymaterial?a. It must be capable of being co...
A: Introduction DNA serves as the main genetic material in various organisms be it prokaryotes or Euka...
Q: Compare and contrast the toxicity levels between water-soluble vitamins and fat-soluble vitamins usi...
A: Vitamin toxicity: Overdoses of vitamins cause toxic effects on the body.
Is Your Bottled Water as Safe as You Think It Is? |
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- I got help last time I need your help. I have no idea why this time around all my questions are being rejected. Can I please get some help. Thank you!please make sure your answer is right, i got different answers everytime, one tiem i got A another i got d and another i got b#5 Help please I’m confused with this question my friend tried to help me but they don’t know either