The part of the atom that is most involved in chemical reactivity is the

A. proton.
B. neutron.
C. electron.
D. nucleus.


C

Biology & Microbiology

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Oxygen is used during a reaction if the process is:

A. oxygenic. B. anoxygenic. C. aerobic. D. anaerobic.

Biology & Microbiology

The most critical step in the Gram stain is the application of the:

a. safranin. b. crystal violet. c. Gram's iodine. d. Gram's decolorizer.

Biology & Microbiology

Collecting data without a specific hypothesis in mind is called ______.

A. reductionism B. hypothesis testing C. discovery-based science D. theoretical E. All of these choices are correct

Biology & Microbiology

Built-in checkpoints ____ stop the cell cycle from proceeding if certain conditions are not met

a. before and after G1 phase b. during S phase c. before G2 phase d. before and after S phase e. before anaphase

Biology & Microbiology