If a cofactor is not protein but another kind of organic molecule it is called a(n) 

A. regulator lipid.
B. coenzyme.
C. substrate.
D. catalyst.


B. coenzyme.

Biology & Microbiology

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Weight training increases muscle mass by increasing the

a. amount of protein in individual muscle fibers. b. number of muscle fibers in each muscle. c. amount of glycogen in each muscle fiber. d. a and b. e. a and c.

Biology & Microbiology

Which type of cell uses cell plate formation to divide the cytoplasm?

a. Animal b. Plant c. Both d. Neither

Biology & Microbiology

The genetic code is comma-free, nonoverlapping, and almost universal

Indicate whether the statement is true or false

Biology & Microbiology

Cryptococcus neoformans is a ________.

A. gram-positive bacterium B. prion C. fungus D. gram-negative bacterium

Biology & Microbiology