a. epistasis
a. nucleoid
b. nuclear membrane
c. nucleus
d. chromatin
c. nucleus
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A cell that allows the complete replication cycle of a virus to take place is said to be a
A) permissive host. B) viral cell. C) dead cell. D) lytic cell.
Spontaneous development of resistance to a particular antimicrobial is difficult if the drug
A. binds to several sites on the target molecule. B. targets several different molecules. C. affects only one molecule. D. affects the plasma membrane. E. binds to several sites on the target molecule AND targets several different molecules.
Imagine that you are studying a new species. As you examine the circulatory system, you note that a four-chambered heart drives the blood in two directions simultaneously; to the body and to the lungs. What can you conclude about this animal? Check all that apply.
_____ It has double circulation. _____ It has hemi circulation. _____ It has single circulation. _____ The circulatory route is similar to that of a trout. _____ The circulatory route is similar to that of a snake. _____ The circulatory route is similar to that of a gorilla.
All of the taxa in a monophyletic group can be called a:
a. division. b. class. c. clade. d. phyla. e. derivative.