During cellular respiration:
a) oxygen is used to transport chemical energy throughout the body
b) metabolic oxygen is produced
c) light is converted to kinetic energy
d) ATP is converted to water and sugar
e) energy from the chemical bonds of food molecules is captured
Ans: e) energy from the chemical bonds of food molecules is captured
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Which of the following statements is not true of the relationship of monarch butterflies and milkweed?
A. Monarch caterpillars are generalists that have evolved ways to metabolize the cardenolides in milkweed latex. B. Young monarch caterpillars feed in trenches, avoiding the latex. C. Older monarch caterpillars sever major veins and feed on resulting "safe" leaf material. D. Monarch caterpillars are specialists that have coevolved with milkweed. E. Monarch butterflies store cardenolides they consume and use them as defenses against predators.
All epithelial cells in the inner lining of the large intestine that are heterozygous for an APC mutation ____
a. are able to control cell division with the second copy of the APC gene b. become cancerous c. require additional mutations in downstream genes to become cancerous d. cause the transition from polyps into colon cancer e. can partially escape control of the cell cycle and lead to the formation of clusters of polyps
Surplus individuals in the __________ disperse and find another habitat in which to settle and
reproduce. a. metahabitats b. sink habitats c. source populations d. source habitats e. K-selected populations
Eukaryotic sexual life cycles show tremendous variation. Of the following elements, which do all sexual life cycles have in common?
I. Alternation of generations II. Meiosis III. Fertilization IV. Gametes V. Spores A) I, II, and IV B) II, III, and IV C) II, IV, and V D) I, II, III, IV, and V