Which of the following is not descriptive of REM sleep?
A. It is the period when dreaming occurs.
B. It normally occurs only once per night, usually just before waking up.
C. Postural muscles are virtually paralyzed during REM sleep.
D. EEG waves that resemble the awake state can be recorded during REM sleep.
E. Eyes move rapidly back and forth beneath closed lids.
B
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Single-unit smooth muscle is ______ rather than requiring nervous stimulation
Fill in the blank(s) with correct word
An atom with 5 protons, 5 neutrons, and 6 electrons would have a net charge of ________.
A. +1 B. +2 C. -2 D. -1
What is the action of the muscle labeled I?
a) extends the forearm at the elbow joint b) flexes the forearm at the elbow joint c) pronates the forearm at the radioulnar joints d) abduct arm at shoulder joint e) rotates arm at shoulder joint
The genotype WW is best described as ________.
A. homozygous recessive B. heterozygous dominant C. heterozygous recessive D. homozygous dominant E. homorecessive