When fats are used as an energy source, the fatty acids are broken down to acetyl-CoA. That means that fats bypass the reactions of ___ and enter the respiratory pathway at ________
A. glycolysis; the citric acid cycle
B. fermentation; glycolysis
C. the citric acid cycle; oxidative
phosphorylation
D. the citric acid cycle; glycolysis
E. oxidative phosphorylation; fermentation
A
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If oxygen is unavailable, predict what happens to the citric acid cycle
A. It stops because the supplies of NAD+ and FAD become depleted. B. It stops because ADP levels increase in the absence of oxygen. C. It continues because none of the reactions in the citric acid cycle require oxygen. D. It continues because ATP levels are low, and low ATP activates enzymes of the cycle.
Answer the following statements true (T) or false (F)
1. Some chytrids parasitize protists. 2. Yeast contain genes that are similar to genes associated with human disease. 3. The first aquatic vertebrates arose at approximately the same time as the plants on land. 4. Gastrulation is brought about by an invagination of the wall of the blastocoel.
Renewable energies like solar, wind, and hydroelectric power are clearly greener than fossil fuels, but they still have drawbacks. What are some of the drawbacks of each kind of renewable energy, and how might these problems be solved?
What will be an ideal response?
The allele for sickle cell anemia is maintained in populations by frequency dependent selection
_______________ Indicate whether the statement is true or false.