Which of the following is a component of
sperm?
a. DNA
b. enzymes
c. mRNA
d. yolk
e. all of these are components of sperm
A
Biology & Microbiology
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The poliomyelitis virus appears to selectively destroy
A. sensory nerve cells. B. mixed nerve cells. C. autonomic nerve cells. D. motor nerve cells.
Biology & Microbiology
The top priority for energy allocation in animals is ____
a. maintenance metabolism b. growth c. reproduction d. storage
e. growth of sexually dimorphic features
Biology & Microbiology
Recombinant vectors are often propagated in bacterial cells. Indicate whether the statement is true or false
Biology & Microbiology
The movement of molecules from an area of high concentration to an area of lower concentration is called
A. endocytosis. B. diffusion. C. facilitated diffusion. D. active transport. E. osmosis.
Biology & Microbiology