Relative to the NAD+ molecule in the illustration, how many hydrogens does the NADH molecule possess?
a. one fewer
b. two more
c. one more
d. two fewer
c. one more
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Malignancies develop step-wise over time because:
A. it takes time for a benign tumor to be able to dissolve through its encapsulation before it can invade neighboring tissues. B. benign tumor cells divide slowly and in a step-wise pattern. C. it takes multiple mutations of multiple genes to allow cancer cells to rapidly divide and invade tissues. D. cells keep leaving the benign tumor and are destroyed in lymph nodes. E. All of these choices are correct.
Polygenic inheritance is often modified by ____
a. the environment b. gene blending c. epistasis d. dihybrid crosses e. pleiotropy
Among the following, bats are most closely
related to
a. birds. b. rats. c. foxes. d. squirrels. e. monkeys
Interferons and immunoenhancers
A) are widely used to treat viruses B) cause no side effects C) include levamisole and inosiplex D) have been thoroughly researched