The plant hormone ____ appears to play a major role in gravitropism in roots and shoots
a. salicylic acid
b. gibberellin
c. abscisic acid
d. auxin
e. oligosaccharin
ANSWER: d
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The unit of measure usually used to describe bacterial size is:
A) millimeters. B) micrometers. C) nanometers. D) angstroms.
Sometimes the most abundant color form of an animal is preyed upon more extensively than less common forms. This
illustrates the phenomenon of ____ selection.
a. stabilizing b. directional c. disruptive d. frequency-dependent e. artificial
Organisms living on the sediment surface of sandy and muddy beaches are collectively referred to as ________
Fill in the blank(s) with correct word
The identification of which structures, produced by the pathogen, in the stool samples aided in the patients diagnosis?
A. inclusions B. cyst C. endospores D. nuclei