The ____ of an atom have no charge.

A. electrons
B. protons
C. neutrons
D. ions
E. nuclei


Answer: C

Biology & Microbiology

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There is a mutation in the repressor that results in a molecule known as a super-repressor because it represses the lac operon permanently. Which of these would characterize such a mutant?

A) It cannot bind to the operator. B) It cannot make a functional repressor. C) It cannot bind to the inducer. D) It makes molecules that bind to one another. E) It makes a repressor that binds CAP.

Biology & Microbiology

The word evolution simply means ______________.

a. Unchanging b. Change over time c. Immediate change d. all the above

Biology & Microbiology

Ahermatypic refers to:

a. reef building corals. b. non-reef building corals. c. plate coral. d. brain coral. e. finger coral.

Biology & Microbiology

Lifelong immunity is conferred once an individual has had botulism and recovered

Indicate whether the statement is true or false

Biology & Microbiology