Grass shoots bend toward the light because, on the shadowed side, a(n)
A) reduction in auxin levels promotes cell elongation.
B) reduction in auxin levels prevents cell elongation.
C) increase in auxin levels promotes cell elongation.
D) increase in auxin levels prevents cell elongation.
Ans: C) increase in auxin levels promotes cell elongation.
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Indicate whether the statement is true or false.
The time interval required for the formation of two cells from one is called the
A) generation time. B) growth time. C) growth rate. D) division rate.
A cytoplasm is composed of: a. cytosol and a cell wall
b. a cell wall and organelles. c. cytosol and organelles. d. organelles and a cell wall.
Name the three main classes of cell-surface receptor
What will be an ideal response?