BRAIN OVERVIEW Flashcards

1
Q

An obligate glucose user

A

Brain

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2
Q

In prolonged starvation, what does the brain use for energy?

A

Both ketone acids and amino acids

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3
Q

Why does the citric acid cycle take place greatly in the brain?

A

Lots of mitochondria in the brain

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4
Q

Major pathways in the brain

A

Glycolysis, citric acid cycle, amino
acid metabolism, a neurotransmitter
synthesis

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5
Q

Main substrates in the brain

A

Glucose, amino acids, ketone bodies
in prolonged starvation

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6
Q

Major products exported in the brain

A

Lactate, end products of
neurotransmitter metabolism

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7
Q

Specialist enzymes in the brain

A

Those for synthesis and catabolism of
neurotransmitters

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