The cell type with the most mitochondria is

A) muscle.
B) nerve.
C) fat.
D) sperm.


A) muscle.

Biology & Microbiology

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The dominant producers of the infralittoral fringe in temperate Pacific and Atlantic are the:

a. foliose red algae. b. green algae. c. large brown algae. d. eelgrass. e. calcareous red algae.

Biology & Microbiology

A change in a regulatory gene

A. can increase or decrease the expression of a structural gene. B. is always beneficial to the organism in which it occurs. C. is what happens in the production of sickle-cell hemoglobin. D. must be dominant to be effective.

Biology & Microbiology

In a flowering plant, the ____ is the site of meiosis and, ultimately, the production of pollen

a. stigma b. style c. carpel d. anther

e. filament

Biology & Microbiology

What are MARs and how can they be experimentally identified?

What will be an ideal response?

Biology & Microbiology