Indicate all of the following statements that are true.
ATP is an indirect product of the citric acid cycle
Acetyl CoA can increase the pool of citric acid cycle intermediates
Fatty acids can increase the pool of citric acid cycle intermediates
ADP inhibits α-ketoglutarate dehydrogenase
The pool of mitochondrial oxaloacetate can be increased by pyruvate
All enzymes of the citric acid cycle are found soluble and free in the mitochondrial matrix
Indicate all of the following statements that are true.
ATP is an indirect product of the citric acid cycle
Acetyl CoA can increase the pool of citric acid cycle intermediates
Fatty acids can increase the pool of citric acid cycle intermediates
ADP inhibits α-ketoglutarate dehydrogenase
The pool of mitochondrial oxaloacetate can be increased by pyruvate
All enzymes of the citric acid cycle are found soluble and free in the mitochondrial matrix
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| force times distance |
Question 48
Soccer (assuming field player) is a sport which is 90% aerobic.
True
False
Question 50
Glucose is necessary for fatty acid oxidation because...
| its derivative, pyruvate, is condensated with carbonic acid to form oxaloacetate, which in turn is a necessary carbon compound in the citric acid cycle | ||
| it is needed to convert fatty acids to fatty acyl-CoA which in turn is oxidized to acetyl CoA | ||
| glucose is decarboxylated into cytochrome oxidase which is a necessary intermediate in the citric acid cycle | ||
| its derivative, acetyl CoA, is condensated with carbonic acid to form lactase, which in turn is a necessary carbon compound in the citric acid cycle |
Question 51
In aerobic ATP production, the role of oxygen is to...
| to keep the electron transport chain operational | ||
| to accept electrons from the 3rd cytochrome and thereby oxidizing it so it can accept new electrons | ||
| act as a oxidizing agent by accepting electrons from the electron transport chain and combining with hydrogen ions (protons) | ||
| all of the above |
Question 52
The primary purpose of the citric acid cycle is...
| aerobic glycolysis | ||||||||||||||
| gluconeogenesis using lactate | ||||||||||||||
| the decarboxylation of carbon compounds to produce NADH. | ||||||||||||||
| the shuttling of hydrogen ions through the inner mitochondrial membrane Question 55 Which of the following is the best predictor of marathon running performance?
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