What would result from a single nucleotide deletion (point mutation) within the coding sequence of a structural gene?
A. a silent point mutation with no deleterious effects
B. a missense point mutation resulting in the change of one amino acid
C. a nonsense point mutation resulting in the generation of a premature stop codon
D. a frameshift mutation, producing a different amino acid sequence altogether
E. All of the choices are possible.
D. a frameshift mutation, producing a different amino acid sequence altogether
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Allivibrio fischeri symbionts benefit the Hawaiian bobtail squid by
A) mimicking the light of the moon, which helps the squid avoid nocturnal predators. B) providing essential amino acids missing from the squid's diet. C) degrading the cellulosic cell walls of the phytoplankton the squid eats. D) providing essential amino acids missing from the squid's diet and degrading the cellulosic cell walls of the phytoplankton the squid eats.
Using breast cancer as an example, describe the importance of understanding the interactions of an individual's genotype with therapeutic drugs when treating patients
What will be an ideal response?
There is a molecule in black licorice that inhibits an enzyme which normally limits activation of mineralocorticoid receptors. Thus, overconsumption of licorice can mimic the effect of excess aldosterone. What would be the result?
A. infertility in men B. hypertension (high blood pressure) due to insufficient potassium in the blood C. excessive body hair D. low blood pressure due to excessive potassium in the blood Clarify Question What is the key concept addressed by the question? What type of thinking is required? Gather Content What do you already know about the aldosterone? What other information is related to the question? Choose Answer Given what you now know, what information is most likely to produce the correct answer? Reflect on Process Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?
What is the name of the area of the organelle in which organelle DNA is packaged?
What will be an ideal response?