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5 Written questions

5 Matching questions

  1. isocitrate
  2. where does it take place?
  3. step 4
  4. FAD
  5. step 3
  1. a flavin adenine dinucleotide, a biological oxidizing agent that is reduced to FADH2; comes from riboflavin
  2. b a secondary alcohol that is oxidized to a ketone (alpha-kg)
  3. c inner mitochondrial matrix
  4. d isocitrate (6c) is oxidized to form alpha-ketoglutarate (5c) with the help of isocitrate dehydrogenase, transforming NAD+ into NADH and releasing H+ and CO2
  5. e alpha-ketoglutarate (5c) is oxidized to form succinyl coA (4c) with the help of alpha-ketoglurate dehydrogenase complex, transforming NAD+ into NADH, bringing in CoA, and releasing CO2 and H+

5 Multiple choice questions

  1. 4 (3 within, 1 outside)
  2. pyruvate, fats, amino acids, ketone bodies
  3. the conjugate base of citric acid; a tertiary ROH that is not easily oxidized (that's why it's isomerized in the cycle)
  4. its coenzymes include b-vitamins (water soluble) that act as recyclable prosthetic groups; it's the most irreversible reaction in our body/there's no getting around it, so once acetyl-CoA is made, you cannot go back
  5. pyruvate + NAD+ + CoA-SH (coenzyme A) ----pyruvate dehydrogenase complex---> CH3C(=O)SCoA (acetyl coa) + NADH + CO2

5 True/False questions

  1. step 7isocitrate (6c) is oxidized to form alpha-ketoglutarate (5c) with the help of isocitrate dehydrogenase, transforming NAD+ into NADH and releasing H+ and CO2

          

  2. what can Acetyl-CoA be turned into?pyruvate, fats, amino acids, ketone bodies

          

  3. step 8malate (4c) is oxidized into oxaloacetate with the help of malate dehydrogenase, transforming NAD+ into NADH and releasing H+

          

  4. what kinds of things inhibit the enzymes at the control points?pyruvate, fats, amino acids, ketone bodies

          

  5. what do you need to know about CoA?pyruvate, fats, amino acids, ketone bodies

          

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