Proteins can be broken down for energy. They are typically broken down into amino acids, which then enter cellular respiration via:
A. glycolysis or ethanol fermentation.
B. lactic acid fermentation or the citric acid
cycle.
C. glycolysis or the citric acid cycle.
D. electron transport/oxidative
phosphorylation.
C
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What molecule is responsible for carrying the acetyl group from pyruvate into the citric acid cycle?
a. NADH b. FADH2 c. ATP d. CoA e. oxaloacetate
What hypothesis did Luis and Walter Alvarez test in relation to the mass extinction of dinosaurs 65 million years ago (MYA)?
A) The mass extinction 65 MYA was caused by a surge of catastrophic cyclones. B) The mass extinction 65 MYA was caused by a slow but steady increase in climate temperatures. C) The mass extinction 65 MYA was caused by an impact of an extraterrestrial object. D) The mass extinction 65 MYA was caused by the loss of preferred plants for food.
Betadine contains what type of chemical agent?
A. alcohol B. aldehyde C. halogen D. heavy metal E. phenolic
What enzyme is used to convert the toxic chemicals of respiration into hydrogen peroxide?