Using a microscope, you observe an amoeba moving toward a food source. This is an example of
A. reproduction.
B. cellular structure.
C.
| metabolism. |
D. growth.
E. responsiveness.
Answer: E
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The virus structure indicated by the arrow labeled C is the
A. the bacteriophage. B. genetic material, DNA or RNA. C. the protein coat, or capsid. D. the bacterial membrane. E. the lipid-rich envelope.
The operation of natural selection depends upon the
fact that a. the strong always survive, whereas the weak always die. b. some individuals have a better chance to produce more offspring. c. mutations are always harmful. d. acquired characteristics are inherited. e. reproduction of all members of a species is virtually the same.
The sporozoite, merozoite, gametocyte, and ring stages are all part of the Plasmodium life cycle
Indicate whether the statement is true or false
Pumps are transporters that are able to harness energy provided by other components in the cells to drive the movement of solutes across membranes, against their concentration gradient. This type of transport is called:
What will be an ideal response?