8. The structure of citrate is shown below. The carbon atoms in this citrate are numbered 1 to 6. Assume that carbon atoms 1 and 6 are the two carbon atoms to be given off as CO₂ in the citric acid cycle. Which carbon atoms in the shown structure are came from acetyl-CoA? COOH 2 CH₂ 31 HO-C-COOH CH₂ Бсоон 15 A. 1 and 2 B. 2 and 3 C. 3 and 6 D. 3 and 4 E. 4 and 5 9. Which of the following statements is/are correct for the shown reaction? A B CH3-C-S-CoA + CO₂ C-CH₂-E-S-COA A The reaction occurs in the mitochondria

Biochemistry
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Chapter1: Biochemistry: An Evolving Science
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8. The structure of citrate is shown below. The carbon atoms in this citrate are numbered 1 to 6.
Assume that carbon atoms 1 and 6 are the two carbon atoms to be given off as CO₂ in the citric acid
cycle. Which carbon atoms in the shown structure are came from acetyl-CoA?
'COOH
2 CH₂
HO-3³C-COOH
I
CH₂
5COOH
A. 1 and 2
B. 2 and 3
C. 3 and 6
D. 3 and 4
E. 4 and 5
9. Which of the following statements is/are correct for the shown reaction?
回
CHg-c-s-Con + Co
A B
A. The reaction occurs in the mitochondria
B. The small molecule in box a is GTP
C-CH₂-C-S-COA
-S-COA
C. The reaction is a committed step for fatty acid catabolism
D. The reaction requires biotin
E. None of the above
Transcribed Image Text:8. The structure of citrate is shown below. The carbon atoms in this citrate are numbered 1 to 6. Assume that carbon atoms 1 and 6 are the two carbon atoms to be given off as CO₂ in the citric acid cycle. Which carbon atoms in the shown structure are came from acetyl-CoA? 'COOH 2 CH₂ HO-3³C-COOH I CH₂ 5COOH A. 1 and 2 B. 2 and 3 C. 3 and 6 D. 3 and 4 E. 4 and 5 9. Which of the following statements is/are correct for the shown reaction? 回 CHg-c-s-Con + Co A B A. The reaction occurs in the mitochondria B. The small molecule in box a is GTP C-CH₂-C-S-COA -S-COA C. The reaction is a committed step for fatty acid catabolism D. The reaction requires biotin E. None of the above
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