A cell type that helps to pull water through the
sponge and strains out food particles is
indicated by
a. A.
b. B.
c. C.
d. D.
e. E.
A
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What is the advantage of the proofreading function of DNA polymerase?
A. All DNA mutations can be detected and repaired during DNA replication. B. DNA polymerase is always present in the nucleus and can repair all mutations when they occur. C. DNA polymerase can be recruited to recently mutated sites to repair mutations. D. DNA polymerase can repair most mutations as they occur during DNA replication.
One application of auxins is its use in the production of
A. fruit overgrowth. B. fruit size increase. C. fruit ripening. D. fruit lacking seeds. E. None of these is correct.
The best control for rats is
a. a very effective rodenticide. b. removal of garbage which causes them to eat each other. c. cats introduced into the food storage buildings. d. new sonic disturbance boxes. e. none of these.
The cell membrane is composed of a bilayer of ________. These molecules have regions that are polar and nonpolar and are therefore ________
Fill in the blank with correct word.