The endoplasmic reticulum is a ____.
A. network of thin tubes that transport newly synthesized proteins
B. site where the cell synthesizes new protein molecules
C. structure that separates the inside of the cell from the outside
D. structure that contains the chromosomes
Answer: A
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In the analogy of the rubber ladder, the sequence of amines would be represented by the ___ of the ladder.
Fill in the blank(s) with the appropriate word(s).
Mothers who were unresponsive, insensitive, and coldly rejecting were associated with ___________ attached infants.
a. securely b. avoidant c. ambivalent d. disorganized
The neurons of the lateral hypothalamus that release ______ help to stabilize the sleep and waking system to prevent inappropriate switching into sleep.
A. glutamate B. serotonin C. orexin D. histamine
The vast majority of smokers who quit do so
a) through quitting cold turkey. b) with the help of hypnosis. c) through scheduled smoking treatment. d) without professional help.