Hydrolysis is involved in which of the following?
a. formation of starch
b. hydrogen bond formation between nucleic acids
c. peptide bond formation of proteins
d. the hydrophilic interaction of lipids
e. the digestion of maltose to glucose
Ans: e. the digestion of maltose to glucose
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When a cell undergoes mitosis,
a. the daughter cells have identical genes. b. the daughter cell has genes identical to those of the mother cell that produced it. c. the amount of cytoplasm in the mother cell and in each of the daughter cells is equal. d. there is an exact duplication and division of all of the organelles between daughter cells. e. the daughter cells have identical genes, and the daughter cell has genes identical to those of the mother cell that produced it.
Which of the following is NOT true concerning the
cytokines? In vertebrates they a. control many aspects of immunity. b. lyse pathogenic cells. c. serve in cell-to-cell communication. d. include the interleukins and interferons. e. include tumor necrosis factors.
Based on the data in Figure 38-1, the condition that results in root development is:
a. a high ratio of auxin to cytokinin. b. a low ratio of auxin to cytokinin. c. a relatively equal proportion of auxin to cytokinin. d. cytokinin levels of at least 0.2 mg/L. e. auxin concentrations of 0.5 mg/L.
Which of the following is an effect of an antimicrobial that blocks tubulin polymerization?
A. Preventing binary fission in bacteria. B. Preventing mitosis in eukaryotes. C. Preventing bacterial motility. D. Preventing pilus formation in bacteria. E. Preventing cytoplasmic membrane synthesis in eukaryotes.