Bio chapter 9 cellular respiration

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Starting with citrate, which of the following combinations of products would result from three acetyl CoA molecules entering the citric acid cycle?
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Starting with citrate, which of the following combinations of products would result from three acetyl CoA molecules entering the citric acid cycle?
3 ATP, 6 CO2, 9 NADH, and 3 FADH2
In chemiosmosis, what is the most direct source of energy that is used to convert ADP + P to ATP?
energy released from movement of protons through ATP synthase, down their electrochemical gradient
Which of the following sequences describes the path by which electrons travel downhill energetically in aerobic respiration?
glucose → NADH → electron transport chain → oxygen
During which of the following metabolic processes is most of the CO2 from the catabolism of glucose is released?
the citric acid cycle
Where are the proteins of the electron transport chain located?
mitochondrial inner membrane
In which reactions of cellular respiration and fermentation does substrate-level phosphorylation occur?
in both glycolysis and the citric acid cycle
Which of the following events takes place in the electron transport chain?
the harnessing of energy from high-energy electrons derived from glycolysis and the citric acid cycle
Which kind of metabolic poison would most directly interfere with glycolysis?
an agent that closely mimics the structure of glucose but is not metabolized
For each mole of glucose (C6H12O6) oxidized by cellular respiration, how many moles of CO2 are released in the citric acid cycle (see the accompanying figure)?
4
Which metabolic pathway is common to both fermentation and cellular respiration of a glucose molecule?
glycolysis
The immediate energy source that drives ATP synthesis by ATP synthase during oxidative phosphorylation is theH+ concentration gradient across the membrane holding ATP synthase.Starting with one molecule of glucose, glycolysis results in the net production of which of the following sets of energy-containing products?2 NADH, 2 pyruvate, and 2 ATPWhy is glycolysis considered to be one of the first metabolic pathways to have evolved?It does not involve organelles or specialized structures, does not require oxygen, and is present in most organisms.Which of the summary statements below describes the results of the following reaction? C6H12O6 + 6 O2 → 6 CO2 + 6 H2O + EnergyC6H12O6 is oxidized and O2 is reduced.The oxygen consumed during cellular respiration is directly involved in which of the following processes or events?accepting electrons at the end of the electron transport chainWhich electron carrier(s) function in the citric acid cycle?NADH and FADH2Fatty acids usually have an even number of carbons in their structures. Catabolism of fatty acids produces two-carbon fragments that are converted to acetyl CoA molecules. What is the most likely way in which these acetyl CoA molecules would be metabolized in aerobic cellular respiration?They would directly enter the citric acid cycle.Which of the following processes is driven by chemiosmosis?oxidative phosphorylationWhich of the following statements about NAD+ is true?NAD+ is reduced to NADH during glycolysis, pyruvate oxidation, and the citric acid cycle.What happens to a glucose molecule when it loses a hydrogen atom as the result of an oxidation-reduction reaction?The glucose molecule is oxidized.In the absence of oxygen, yeast cells can obtain energy by fermentation, which results in the production of which of the following sets of molecules?ATP, CO2, and ethanol (ethyl alcohol)Which one of the following is formed by the removal of a carbon (as CO2) from a molecule of pyruvate?acetyl CoAFollowing glycolysis and the citric acid cycle, but before the electron transport chain and oxidative phosphorylation, the carbon skeleton of glucose has been broken down to CO2 with some net gain of ATP. Most of the energy from the original glucose molecule at that point in the process, however, is stored in the form of which of the following molecules?NADHIf you were to add one of the eight citric acid cycle intermediates to the culture medium of yeast growing in the laboratory, what do you think would happen to the rates of ATP and carbon dioxide production?The rates of ATP production and carbon dioxide production would both increase.Which of the following statements best describes the primary role played by oxygen in cellular respiration?It serves as the final acceptor for electrons from the electron transport chain.