The atom:

A. is the basic unit of matter.
B. is the unit of composition for elements.
C. contains protons, neutrons, and electrons.
D. has negatively charged particles circling around a positively charged nucleus.
E. All of these statements about atoms are correct.


Answer: E

Biology & Microbiology

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A. 4 B 6 C. 8 D. 10 E. 12

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The PCR method was developed by

A. Mullis. B. Sanger. C. Cohen. D. Boyer.

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growth as certain organelles double

What will be an ideal response?

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