A water molecule, as shown here, is polar because of
a. the transfer of electrons.
b. unequal sharing of electrons.
c. its ability to freeze.
d. its hydrogen bonds.
e. the negative charge of the molecule.
Answer: b. unequal sharing of electrons.
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What will be an ideal response?
Which aspect of phospholipids is most important to the formation of bilayers?
A) They are amphipathic. B) Their size is large, relative to cholesterol. C) Their size is small, relative to fats. D) Their hydrocarbon tails can consist of fatty acids or isoprene subunits.
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A. inductive reasoning B. a theory C. deductive reasoning D. an experiment
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