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Kaplan Qbank USMLE



Author4 Posts
  #1

The following are true or false about the oxidation of glucose:

a. glycolysis produces 3% of the energy ultimately obtained from
glucose
b. the first stage of glycolysis involves phosphorylation of glucose to
1,6-fructose biphosphate.

c. glycolysis occurs within the mitochondria

d. glucose enters the Kreb's cycle as pyruvate

e. the Kreb's cycle generates 36 ATP molecules.

  #2

A=true :?:
B=false(formation of G-6-P)
C=false(cytoplasm)
D=false(enters as acetyl coA formed by pyruvate under the influence of PDH)
E=true

  #3

A.True
B,C,D-False
E.True

  #4

since the complete oxidation of glucose involves 2 cycles i.e glycolysis and kreb's..therefore it seems that D is true.
Rest are as you have answered.







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