Which of the following is/are TRUE regarding "REM sleep"?
a. "dreaming" occurs during REM sleep
b. Atonia occurs during REM sleep
c. ACh levels are reduced during REM sleep
d. all of the above
e. a and b
Ans: e. a and b
Biology & Microbiology
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The highest point on a reef is called the:
a. reef crest. b. reef flat. c. reef front. d. back reef. e. leeward edge.
Biology & Microbiology
In both nematodes and flatworms, wastes are removed by _______.
a. circulation b. osmosis c. diffusion d. respiration
Biology & Microbiology
Which of the following processes could result in the net movement of a substance into a cell, if the substance is more concentrated in the cell than in the surroundings?
A) active transport B) facilitated diffusion C) diffusion D) osmosis
Biology & Microbiology
Which of the following genetic notations refers to a dikaryotic fungal stage?
A. n + n B. 2n + 2n C. n D. 2n + n E. 2n
Biology & Microbiology