When an enveloped virus adsorbs to the host cell with its protein spikes, the virions are taken into the cell by the process of

A. penetration.
B. production.
C. fusion.
D. endocytosis.


D

Biology & Microbiology

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In a mammal that you are studying, blood sodium levels are decreasing sharply. To correct this problem, which hormone might you try to administer?

A. cortisol B. aldosterone C. estrogen D. antidiuretic hormone E. testosterone

Biology & Microbiology

Is the phenotype of an organism controlled by its genotype?

a. Yes b. No

Biology & Microbiology

The smallest unit that can evolve is a(n) __________.

a. population b. species c. genotype d. individual e. family

Biology & Microbiology

The blood vessels surrounding the loop of Henle are collectively called the ____ and are arranged in a countercurrent organization, just like the loop of Henle itself

Fill in the blank with the appropriate word.

Biology & Microbiology