What happens if a G1 cell sustains genetic damage?
a) The p53 protein concentration rises very rapidly.
b) All of the choices are correct.
c) The p53 protein exhibits an increase in stability.
d) There is no increased expression of the p53 gene.
Ans: b) All of the choices are correct.
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Consider the question: "Why do tropical rain forests support a greater diversity of species than temperate forests?" At which level of organization would this be addressed?
A) individual B) population C) landscape D) global
What do genetic map units represent?
a. relative positions of genes with respect to each other b. the chromosome on which a given gene is located c. the actual DNA sequence of a gene d. absolute physical distances between genes
Osmoregulatory adjustment via the renin-angiotensin-aldosterone system can be triggered by _____
A) sleeping for one hour B) severe sweating on a hot day C) eating a pizza with olives and pepperoni D) drinking several glasses of water
Which of the following items are typically irradiated in order to kill microbes?
A. operating room air B. surgical gloves C. human tissues such as heart valves and skin D. ground beef and other meat and poultry E. All of these choices are correct.