The highly polarized nature of compounds containing carboxyl groups can be attributed to the
presence of two:a.
highly electronegative carbon atoms.
b. highly electropositive carbon atoms.
c. highly electronegative oxygen atoms.
d. highly electropositive oxygen atoms.
e. highly electropositive nitrogen atoms.
C
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Which one of the following statements does not describe intersexual selection?
A. Physical traits such as large horns or other elaborate weaponry allow the males to win more fights with other males, hold larger territories, and have access to more females. B. Males compete for the attention of the female with bright colors of advertisement displays. C. Females choose their mates. D. The female peacock's preference for their mates to have the showiest tail has promoted a rather large investment by the male into tail plumage.
Feedback inhibition, covalent modification, and allosteric regulation are all examples of ________.
A. compartmentalization B. regulation of gene expression C. posttranslational regulation D. metabolic channeling
A mutation that leads to the buildup of homogentisic acid causes ____________________. Fill in the blank(s) with the appropriate word(s)
Where do plants get the carbon they use to make organic molecules?
a. glucose b. oxygen c. water d. starch e. carbon dioxide