Gluconeogenesis Flashcards

1
Q

what are the inhibitors of fructose 1-6–>fructose 6 phosphate?

A

F-2,6-BP and AMP

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2
Q

what is the activator of fructose 1-6–>F 6 P?

A

Citrate

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3
Q

How many ATP equivalents are necessary to perform gluconeogenesis?

A

11

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4
Q

The Cori Cycle

A

lactate produced in muscle–>glucose–>glycolysis–>lactate

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5
Q

the major site of gluconeogenesis is in the ___ but can occur in the ___

A

liver; kidney

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6
Q

precursors to synth of glucose include _______

A

lactate, pyruvate, glycerol, a.a

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7
Q

in microo-organisms, ________ are converted to glucose

A

acetate, lactate, propionate

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8
Q

plants convert stored fats/proteins into __

A

sucrose

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9
Q

pyruvate carboxylase adds a carbon dioxide to ____ to form ____, which happens in the ___

A

pyruvate; oxaloacetate; mitochondria

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10
Q

what kind of prosthetic group does pyruvate carboxylase have? What else does it require?

A

biotin; ATP and Acetyl CoA

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11
Q

PEP carboxykinase in the cytosol acts on ___ to form PEP through ____ and _____

A

oxaloacetate; phosphorylation and decarboxylation

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12
Q

PEP carboxykinase inhibitors/activators:

A

none

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13
Q

oxaloacetate has to be converted to ____ to get across the membrane

A

malate

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14
Q

malate dehydrogenase produces NADH required for ______

A

glyceraldehyde dehydrogenase

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15
Q

pyruvate can be formed from ___ by ____

A

lactate; lactate dehydrogenase

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16
Q

glycerol can be converted to _____ with glycerol kinase and __________

A

DHAP; glycerol phosphate dehydrogenase