1. In the electron-transport chain from Deinococcus geothermalis, the enzyme _______________ is not present or has not yet been characterized.
a. NADH dehydrogenase
b. succinate dehydrogenase
c. cytochrome c reductase
d. cytochrome c oxidase
2. In Deinococcus geothermalis, which enzyme can oxidize UQH2 (or its analog in D. geothermalis)?
a. cytochrome c reductase
b. cytochrome c reductase, cbb3-type
c. cytochrome c oxidase
d. cytochrome bd complex
1. In the electron-transport chain from Deinococcus geothermalis, the enzyme _______________ is not present or has not yet been characterized.
a. NADH dehydrogenase
b. succinate dehydrogenase
c. cytochrome c reductase
d. cytochrome c oxidase
2. In Deinococcus geothermalis, which enzyme can oxidize UQH2 (or its analog in D. geothermalis)?
a. cytochrome c reductase
b. cytochrome c reductase, cbb3-type
c. cytochrome c oxidase
d. cytochrome bd complex
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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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Question 18
The process that forms new glucose in the liver is called ...
| A. | glycogenolysis | |
| B. | Krebs cycle | |
| C. | lipolysis | |
| D. | gluconeogenisis | |
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Question 57
A person exercises in their âfat burning zoneâ for 4 hours at 35% VO2peak. The O2 cost of exercise at that work rate is 0.5L/minute. Following exercise the subject rewards himself with an ice-cream sundae (700kcal). The following statement is true(assume 5kcal/lit of O2):
| A. | The subject is in neutral energy balance | |
| B. | The subject consumed fewer calories than they expended during exercise | |
| C. | The subject consumed more calories than they expended during exercise | |
| D. | Canât say |
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 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 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 |
