The plasma membrane is composed mostly of ____
a. phospholipids
b. cholesterol
c. triglycerides
d. steroids
e. sphingolipids
ANSWER: a
Biology & Microbiology
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An experimental study in which neither the doctor nor the patient knows who is getting the actual treatment is called
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What type of thinking is required?
What will be an ideal response?
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A plant stoma is found between two
a. leaves. b. root hairs. c. xylem veins. d. trichomes. e. guard cells.
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Which graph shows that species diversity is
much less at the equator than at 60 degrees north latitude? a. A b. B c. both d. neither e. not enough data is provided to answer the question
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