Which of the following is either consumed or synthesized in virtually every cellular reaction?

a. sugars
b. enzymes
c. DNA
d. ATP


Ans: d. ATP

Biology & Microbiology

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The chromatids detach from one another during

a. anaphase. b. metaphase. c. interphase. d. prophase. e. telophase.

Biology & Microbiology

Bacteria use restriction enzymes to ____

a. integrate viral DNA b. destroy viral DNA c. prevent mutation of their DNA d. copy their genes e. inhibit the expression of some of their genes

Biology & Microbiology

Releasing and inhibiting hormones of the hypothalamus directly regulate the secretions of the __________

Fill in the blank(s) with the appropriate word(s).

Biology & Microbiology

The energy that a parent puts into the growth, feeding, and care of offspring is called:

a. reproductive investment. b. the mating system. c. reproductive success. d. kin selection. e. total reproductive output.

Biology & Microbiology