Which type of molecule is considered “good cholesterol”?
a. HDLs
b. LDLs
c. trans fatty acids
d. plaque
e. embolism
ANSWER: a
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Which of the following conditions would most likely lead to an apparently normal human female?
a. Turner syndrome b. Down syndrome c. cri-du-chat d. Triple-X syndrome e. Klinefelter syndrome
__________ moves food down the esophagus and through a(n) __________ (a ring of muscle that can close off an
opening) into the stomach. Fill in the blank(s) with the appropriate word(s).
The presently accepted model of enzyme action was proposed by Daniel Koshland in the 1960s and suggested that the enzyme was a flexible structure with an active site roughly complementary to the substrate that binds it. After its initial interaction with the substrate, the enzyme alters its shape and thus improves the fit of the substrate in the active site. What is the name of this model?
a) the flexible sponge model b) the lock and key model c) the koshland model d) the induced fit model e) the flexible fit model
__________ fungi include common molds.
Fill in the blank(s) with the appropriate word(s).