Suppose a living plant cell has ?P???0.4 MPa and ?S = ?0.5 MPa. If the plant cell is placed into a
beaker filled with a solution with ? = ?S????0.9 MPa, then the cell should
a. take up water until it bursts.
b. lose water until its ? = ? of the solution.
c. take up water until within the cell ?P = ??S.
d. take up water until its ?S = ?S of the solution.
e. lose water until its ?S = its ?P.
B
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Which tissue layer is not associated with the stomach?
a. Mucosa b. Longitudinal muscle c. Circular muscle d. Oblique muscle e. All are associated with the stomach.
Plants became erect, taller, and branched as a result
of their ability to produce a. cutin. b. lignin. c. cellulose. d. complex carbohydrates. e. suberin.
Protostomes develop through
A. polar cleavage. B. protocleavage. C. spiral cleavage. D. radial cleavage. E. axial cleavage.
A base insertion or deletion in the translated region of the gene may lead to
a. missense mutation. b. frameshift mutation. c. nonsense mutation. d. silent mutation.