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1. Why does ice float?
Your response should be at least 75 words in length. You are required to use at least your textbook as source material for your response. All sources used, including the textbook, must be referenced; paraphrased and quoted material must have accompanying citations.
2. Every drug approved in the US must be approved by the FDA. By what criteria does the FDA approve a drug? Explain the criteria and the steps the FDA goes through.
Your response should be at least 200 words in length. You are required to use at least your textbook as source material for your response. All sources used, including the textbook, must be referenced; paraphrased and quoted material must have accompanying citations.
3. List and explain each step of the scientific method. Give an example of an observation that can be evaluated by the scientific method and use the method to explain the observation.
Your response should be at least 500 words in length. You are required to use at least your textbook as source material for your response. All sources used, including the textbook, must be referenced; paraphrased and quoted material must have accompanying citations.
The -10 and -35 sequences in bacterial promoters are separated by about two turns of the DNA double helix (remember genetics?). How do you think transcription would be affected if the deletion were introduced such that the -35 sequence was moved to -..
q1. imagine that a sample of the people in your city showed that 116 of them cannot roll their tongue. this means that
Genes are necessary part of cells. However, much of our genome is composed of "junk DNA," and things that just do not work. One gene that does not work in humans is the LGGLO gene.
q. what are the gram reactions of clostridium and bacillus?how may a capsule contribute to pathogencity?how may
Which of each pair of amino acid substitutions listed below would you expect to disrupt protein structure the most? And why? how do you go abouts knowing this?
The level of protein structure that is stabilized primarily by non covalent interactions in the side chains within a single polypeptide chain is refered to as its:
Serial dilutions are not only for bacteria. They can be used for any reagent. Assume that in an experiment, it is necessary to add 0.1 microgram of DNA to a tube.
How does your answer make clear that why antibiotic resistance evolves so fast. What is the equilibrium frequency of the resistant allele in the absence of methicillin.
what hormones are produced by the theca and granulosa cells of a maturing or pre-ovulatory follicle?
Distinguish between a hereditary germline cancer, such as those caused by BRCA1 mutations, and cancers that result from two somatic mutations in the same gene in the same cell.
one of the major differences between Cnidaria and Platyhelminthes is radial versus bilateral symmetry. Discuss the advantage of radial symmetry for sessile (attached) animals and bilateral symmetry for motile animals.
The ability to taste PTC is due to a single dominant allele "T". You sampled 215 evolution students, and determined that 150 could detect the bitter taste of PTC and sixty-five could not.
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