If three molecules of a fatty acid that has the formula C16H22O2 are joined to a molecule of glycerol (C3H8O3), then the resulting molecule would have the formula:
a. C48H96O6
b. C48H98O8
c. C51H68O6
d. C51H106O8
e. C51H104O9
Ans: c. C51H68O6
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The holozyme is formed when the core enzyme associates with
A. Start codons B. b C. b' D. ? E. a
Carriers
A. may have a persistent infection. B. may be a source of infection. C. usually show symptoms of the disease. D. have been cured of the infection. E. may have a persistent infection AND may be a source of infection.
Male deer have large antlers that are used to challenge each other in fights for territory and females. The females of this group actively choose the strongest males. Which type of sexual selection is occurring with the deer population?
A. Stabilizing selection. B. Negative frequency-dependent selection. C. Intersexual selection. D. Intrasexual selection. E. Intersexual and intrasexual selection are both occurring.
Water is capable of rising to the tops of the tallest trees due to the:
a. chemical bonds of water molecules. b. push of gravity. c. adhesion of water molecules to each other. d. push of ground water. e. pull of transpiration