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19. Which of the following statements is true for the shown reactions? ů C-S-COA CH₂ I H₂C-C-0H CH₂ coo W Coo CH₂ C=0 Acetyl-CoA CH3 x 214 Coo- I CH₂ CHOH CH3 Y A. Deficiency of oxaloacetate stimulates the formation of X and y B. Insulin signaling stimulates the formation of X and Y C. Both A and B D. Neither A nor B

19. Which of the following statements is true for the shown reactions? ů C-S-COA CH₂ I H₂C-C-0H CH₂ coo W Coo CH₂ C=0 Acetyl-CoA CH3 x 214 Coo- I CH₂ CHOH CH3 Y A. Deficiency of oxaloacetate stimulates the formation of X and y B. Insulin signaling stimulates the formation of X and Y C. Both A and B D. Neither A nor B

Biochemistry
Biochemistry
9th Edition
ISBN:9781319114671
Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Publisher:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Chapter1: Biochemistry: An Evolving Science
Section: Chapter Questions
Problem 1P
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**Question 19: Metabolic Pathways and Enzyme Reactions** **Which of the following statements is true for the shown reactions?** **Reaction Diagram Description:** - **W to X Transformation:** - The molecule labeled **W** (chemical structure: C-S-CoA, CH2, H3C-C-OH, CH2, COO-) undergoes a transformation resulting in the molecule labeled **X** (chemical structure: COO-, CH2, C=O, CH3). - This transformation involves an intermediate which is Acetyl-CoA. - **X to Y Transformation:** - The molecule **X** (chemical structure: COO-, CH2, C=O, CH3) is further transformed into the molecule labeled **Y** (chemical structure: COO-, CH2, CHOH, CH3). - This transformation involves the addition of a Hydrogen (2H). **Option A:** - **Deficiency of oxaloacetate stimulates the formation of X and Y** **Option B:** - **Insulin signaling stimulates the formation of X and Y** **Option C:** - **Both A and B** **Option D:** - **Neither A nor B** **Answer:** This question tests the understanding of the metabolic conversions and regulatory factors influencing the formation of intermediary compounds X and Y. The student is expected to apply knowledge of biochemical pathways and their regulation.
Transcribed Image Text:**Question 19: Metabolic Pathways and Enzyme Reactions** **Which of the following statements is true for the shown reactions?** **Reaction Diagram Description:** - **W to X Transformation:** - The molecule labeled **W** (chemical structure: C-S-CoA, CH2, H3C-C-OH, CH2, COO-) undergoes a transformation resulting in the molecule labeled **X** (chemical structure: COO-, CH2, C=O, CH3). - This transformation involves an intermediate which is Acetyl-CoA. - **X to Y Transformation:** - The molecule **X** (chemical structure: COO-, CH2, C=O, CH3) is further transformed into the molecule labeled **Y** (chemical structure: COO-, CH2, CHOH, CH3). - This transformation involves the addition of a Hydrogen (2H). **Option A:** - **Deficiency of oxaloacetate stimulates the formation of X and Y** **Option B:** - **Insulin signaling stimulates the formation of X and Y** **Option C:** - **Both A and B** **Option D:** - **Neither A nor B** **Answer:** This question tests the understanding of the metabolic conversions and regulatory factors influencing the formation of intermediary compounds X and Y. The student is expected to apply knowledge of biochemical pathways and their regulation.
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