Which subatomic particle has no charge (i.e., is neutral)?

a. proton
b. neutron
c. electron
d. all subatomic particles have charges


b. neutron

Biology & Microbiology

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Do humans exhibit r-selected or K-selected species patterns? What will be an ideal response?

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Diffusion occurs because

A. Molecules constantly move and collide with each other B. Cellular energy forces molecules to collide with each other C. Molecules are attracted to one another D. Cellular energy pumps molecules across the cell membrane

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The effects of a transposition event are equivalent to a(n)

A) nonsense mutation. B) missense mutation. C) frameshift mutation. D) silent mutation. E) HFR conjugation.

Biology & Microbiology