glucose metabolism just notes Flashcards

1
Q

why is all the energy in glucose not released in one go?

A

cannot utilise heat
no single reaction of metabolism need that much energy
enzymes only effect small changes

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2
Q

step 1

formation of a covalent bond (——— bond) between the substrate and the enzyme (—————– 3 phosphate)

A

thioether

glyceraldehyde 3 phosphate

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3
Q

step 2
——— of the thioether bond to form a thioether bond using ——- to perform the oxidation
hydrolysis of thioether bonds is ————-

A

oxidation
NAD+
exergonic

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4
Q

step 3
the cleavage of the thioether bond supplies the ——- to drive the ————- —————–
the product a ———— is released from the enzyme

A

energy
endergonic phosphorylation
phophoaldehyde

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5
Q

red blood cells cant get any energy so rbc need to ——— energy by anaerobic means

A

regenerate

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6
Q

pyruvate is converted to lactate by

A

lactate dehydrogenase

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7
Q

pyruvate - acetyl CoA

A

pyruvate dehydrogenase complex

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8
Q

pyruvate - acetyl CoA

CoA-sh +NAD+

A

out:
NADH
CO2

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9
Q

ATP couples both

A

exergonic and endergonic reactions

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10
Q

pyruvate to OAA
atp-adp
HCO3-

A

Pyruvate carboxylase

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11
Q

OAA to Phosphoenolpyruvate

GTP- GDP

A

Phosphoenolpyruvate carboxykinase

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