Which of the following types of DNA damage directly results in a mismatched base-pair?
a. cytosine deamination
b. ultraviolet irradiation
c. double-strand breaks
d. base methylation
e. depurination
Ans: a
You might also like to view...
When populations of antelope and cheetah coexist, what changes in the populations are likely to occur
due to natural selection?
What will be an ideal response?Which of the following is (are) NOT a factor(s) that
explain(s) the area effect on island diversity? a. Larger islands have more habitats. b. Smaller islands have more varied and higher elevations. c. Larger islands intercept more colonizers. d. Smaller islands have less complex topography. e. All of these are not factors.
If a person had the thymus gland removed, which of the following would NOT occur in his or her body?
A) production of B cells B) production of T cells C) maturation of B cells D) maturation of T cells
Several different classes of enzymes are needed for the catabolism of carbohydrates. Which of the following descriptions best matches the function of a kinase?
(a) An enzyme that catalyzes the rearrangement of bonds within a single molecule. (b) An enzyme that catalyzes a change in the position of a specific chemical group within a single molecule. (c) An enzyme that catalyzes the oxidation of a molecule by removing a hydride ion. (d) An enzyme that catalyzes the addition of phosphate groups to other molecules.