A gill is indicated by letter
a. A.
b. B.
c. C.
d. D.
e. E.
Answer: c
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What will be an ideal response?
In the dark, the Na+ channels in the outer segments of rod cells are
A. open. B. closed. C. primarily affected by inhibitory neurotransmitter input. D. important in making the cell hyperpolarized in this resting state.
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Figure 36.3
Use the figure above to answer the following question.
A fish circulatory system is indicated by the letter (s) ____.
A. A only B. B only C. C only D. both A and B E. both B and C
The response to touch by such plants as the sensitive plant is due to
A. effect of gibberellins on the area affected. B. auxin displacement in the touched area. C. changes in water content of cells. D. sensitive responder cells.