How does a lack of oxygen affect energy availability in animals?
What will be an ideal response?
Low oxygen levels result in little ATP production via chemiosmosis and a switch to an anaerobic, and less efficient, fermentation pathway of metabolism.
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Some marine species of cyanobacteria
A. do not have flagella and are, therefore, nonmotile. B. do not have flagella but are, nonetheless, motile by some unknown mechanism. C. do not have flagella but are motile by means of pseudopods. D. have flagella and are, therefore, motile.
Four of the five animals listed below can harbor E. coli 0157:H7 without becoming ill. Select the exception
a. goats b. cattle c. deer d. sheep e. humans
Since 1980, the proportion of adults in the
United States who are obese has ___ and the proportion of children who are obese has ___.
a. decreased by half---doubled b. doubled---decreased by half c. doubled---tripled d. tripled---doubled e. stayed the same---doubled
Rainfall in the Northern Hemisphere is greater than rainfall in the Southern Hemisphere
Indicate whether the statement is true or false