GOB Chemistry
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Draw the structure of the product and indicate the water's atoms added to the reaction in step 7 of the citric acid cycle.
Why is the coenzyme for the last step in the citric cycle NAD+ and not FAD?
What molecule in the citric acid cycle contains tertiary alcohol group?
Determine if the following statement is true or false.
Isocitrate is the only citric acid cycle component that has two chiral carbon atoms.
True or False: In the steps in the citric acid cycle that involve the oxidation of acetyl groups to CO2, the hydride acceptor is the molecular oxygen, while the hydrogen ion acceptors are NADH and FADH2.
What happens to the carbons from pyruvate after it is converted into acetyl-CoA and goes through multiple rounds of the citric acid cycle?
In step 6 of the citric acid cycle, determine the class of enzyme involved.
Is the statement given below correct?
Steps 3, 4, 6, and 8 of the citric acid cycle involve hydration reactions.
Which step or steps in the citric acid cycle lead to the production of CO2?
True or False: Step 7 of the citric acid cycle involves a hydrolysis reaction.
Why do aerobic organisms need O2 for survival even though no O2 is directly used during the citric acid cycle?
During the Krebs cycle, how many molecules of NADH/H+ and FADH2 are produced for each molecule of pyruvate?
Which of the following citric acid cycle reactions includes an oxidation step?
I. Conversion of citrate to isocitrate.
II. Conversion of succinate to fumarate.
III. Conversion of fumarate to malate.
IV. Conversion of malate to oxaloacetate.
Which of the following reactions in the citric acid cycle involves both condensation and oxidation?
What are the total amounts of NADH, FADH₂, CO₂, and ATP (or GTP) generated during one complete turn of the Krebs Cycle?
During one turn of the citric acid cycle, how are the carbon atoms from the original acetyl-CoA molecule ultimately removed from the cycle?
Which of the following reactions in the citric acid cycle involve the removal of carbon dioxide? (Select all that apply.)
II. Conversion of isocitrate to α-ketoglutarate.
III. Conversion of α-ketoglutarate to succinyl-CoA.
IV. Conversion of succinate to fumarate.
True or False: In the citric acid cycle, secondary alcohols are oxidized in reactions 3 and 6.
In the context of the citric acid cycle, determine the six-carbon compounds produced.