biochem rev3 - Biochemistry Review III How well do you know...

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Biochemistry Review III How well do you know your vitamins? For each of the following water soluble vitamins, identify the biochemical reaction(s) (that we have studied) that correspond to each vitamin. Does the vitamin serve as a precursor to any cofactors? 1. Vitamin B1 (thiamin) 2. Vitamin B3 (niacin) 3. Vitamin B5 (pantothenic acid) 4. Vitamin B7 (biotin) 5. Riboflavin (b2) 6. Circle all of the cofactors involved in the pyruvate dehydrogenase complex. Lipoic acid thiamine pyrophosphate FAD NAD + FMN acetyl-CoA 7. The inner mitochondrial membrane contains a transporter for A) NADH B) Acetyl CoA C) GTP D) ATP
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E) NADPH 8. Complex I of the electron transfer chain: A) Transfers electrons directly from NADH to ubiquinone B) Can transfer electrons from FADH 2 of succinate dehydrogenase as well as from NADH C) Does not contain Fe-S clusters D) Transfers electrons coupled to the transport of four protons across the membrane E) Is considered a mobile electron carrier because it can travel along the out face of the inner membrane 9. Suppose an individual has a mutant pyruvate dehydrogenase ( the first catalytic subunit of PDH) with poor binding of its prosthetic group. In this type of defect,
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This note was uploaded on 11/12/2010 for the course CH 53890 taught by Professor Raymonds during the Fall '09 term at University of Texas at Austin.

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biochem rev3 - Biochemistry Review III How well do you know...

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