7) which enzyme catalyzes step 4 of glycolysis (breakdown of fructose 1,6-biphos

ID: 40080 • Letter: 7

Question

7) which enzyme catalyzes step 4 of glycolysis (breakdown of fructose 1,6-biphosphate to dihydroxyacetona phosphate and glyceraldehyde 3-phosphate)?

a) phosphoglucose isomerase

b)enolase

c)aldolase

d)triose phosphate isomerase

9) which of thhe folowing components of the mitochondrial ETC does not pump H+?

a) NADH dehydrogenase

b) cytochrome c

c) cytochrome c oxidase

d) cytochrome c reductase

11) which subunits of mitochondrial ATP synthase binds to ADP+ pi and catalyzes the synthesis of ATP as a result of a conformational change?

a) transmembrane H+ carrier

b) F1 ATPase head

c) peripheral stalk

d) central stalk

7 c

9 a (although a better option would have been succinate dehydrogenase)

11 b

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