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5 Written questions

5 Matching questions

  1. what can Acetyl-CoA be turned into?
  2. what do you need to know about pyruvate dehydrogenase complex?
  3. what do you need to know about CoA?
  4. step 4
  5. NAD+ vs. NAD: which is the better oxidizing agent? reducing agent?
  1. a 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+
  2. b fats, ketone bodies, cholesterol (NOT glucose!)
  3. c FAD, NAD+
  4. d 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. e it's normous and requires pantothenic acid, a water soluble vitamin, to make it

5 Multiple choice questions

  1. malate (4c) is oxidized into oxaloacetate with the help of malate dehydrogenase, transforming NAD+ into NADH and releasing H+
  2. succinate (4c) is oxidized into fumarate (4c) with the help of succinate dehydrogenase, transforming FAD into FADH2
  3. pyruvate, fats, amino acids, ketone bodies
  4. inner mitochondrial matrix
  5. 8 (2 from pyruvate to acetyl coa, 6 from krebs), 2 (glycolysis), 1, 4, 1

5 True/False questions

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

          

  2. step 7fumarate (4c) is transformed into malate (4c) with the help of fumarase, bringing in 1 molecule of H2O

          

  3. NAD+a 2-electron oxidizing agent that is reduced to NADH; comes from nicatinamide, or niacin

          

  4. what is citrate?a secondary alcohol that is oxidized to a ketone (alpha-kg)

          

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

          

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