If a living plant cell is placed in a beaker with a solution that has a ? value lower than the ? value of
the plant cell, the plant cell will
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 of the solution.
e. lose water until its ?S = its ?P.
B
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The most specific term usually used to describe a substance in a biological system that increases the rate of a reaction without being permanently changed by the reaction is a(n)
A. catalyzer. B. rate increaser. C. catalyst. D. enzyme.
The ____________ gland in the neck produces several important hormones, including thyroxine, triiodothyronine, and calcitonin.
Fill in the blank(s) with the appropriate word(s)
Within the mollusks, only the cephalopods have a
A) hinged shell. B) closed circulatory system. C) tubular gut. D) radula. E) coelom.
The figure below shows the relationship between beak depth in the medium ground finch on Daphne Major and relative fitness. Assuming that beak depth is heritable, what do you predict about beak depth in the next generation?
A. Mean beak depth will stay about the same. B. Mean beak depth in the next generation cannot be predicted using this data. C. Mean beak depth will increase. D. Mean beak depth will decrease.