What is the fate of the NADH and FADH2 made during the first stages of aerobic respiration?
A. They carry electrons to the electron transport chain.
B. They carry electrons to water.
C. They carry them to the Calvin cycle to reduce carbon dioxide.
D. They carry electrons to acetylaldehyde producing ethanol or lactic acid.
E. They carry electrons to the Krebs cycle.
Answer: A
You might also like to view...
New cork cambium forms within the secondary phloem
A. true B. false
Alzheimer disease has been shown to be related to_______
a. alcoholic fermentation in the brain d. decreased brain metabolism b. lactate fermentation in the brain e. increased mitochondrial enzyme activity c. increased brain metabolism
Agrobacterium infects plants and causes them to form tumors. You determine that tumor formation requires a large amount of the plant's energy for tissue formation
How might this change the number of offspring a plant produces, and what is the most likely explanation for this change? A) The number of offspring should increase, because in general, illness increases the reproductive output of organisms. B) The number of offspring should increase, because the bacteria will provide energy for the plant. C) The number of offspring should decrease, because the plant will divert energy from reproduction to tumor formation. D) There should be no effect of infection on offspring production because energy for reproduction is independent of infection.
If a scientist recorded the size, birth rate, and age structure of an owl population over the last 20 years, he is most likely a(n):
A. demographist. B. embryologist. C. botanist. D. mathematician. E. evolutionary biologist.