Which type of cell uses cell plate formation to divide the cytoplasm?
a. Animal
b. Plant
c. Both
d. Neither
b
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In eukaryotes the DNA molecule that makes up a chromosome is typically ____ and usually has ____
replication origin.
a. circular; one b. circular; more than one c. linear; more than one d. linear; one e. linear; no
Name the process that takes place in nodules located on legumes
a. ammonification b. biological magnification c. denitrification d. nitrification e. nitrogen fixation
A polysaccharide that is composed of modified glucose subunits and that is found in the exoskeletons of insects and crustaceans is known as:
A. glycogen B. starch C. amylose D. chitin
Respond to the following statements in reference to the five plant hormones listed below.
A. This hormone mediates tropisms. B. This hormone causes a stem to lengthen between the nodes by inducing cell division and elongation. C. This hormone opposes the effects of auxin. D. This hormone promotes bud and seed dormancy. E. This hormone is a gas that promotes ripening.