Final Exam tutorial 3 Flashcards

(13 cards)

1
Q

A glucogenic Amino acid is a molecule….

A

That can be degraded to a ketoglutarate

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2
Q

If the catabolism of an amino acid yields the molecule shown, such an amino acid is to be considered….

A

Ketogenic

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3
Q

How many common pathways can be identified for the catabolism of the 20 amino acids

A

6

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4
Q

The reaction that converts alanine to pyruvate is what type of reaction

A

Transamination

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5
Q

Proline and arginine can be synthesized from glutamate with the involvement of which of the following molecules?

A

ATP

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6
Q

Alanine aminotransferase transfers an amino group from glutamate to —- to from — and —-

A

Pyruvate. alanine, <-Ketoglutarate

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7
Q

What is the source of the extra nitrogen when glutamine is synthesized from glutamate?

A

NH3

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8
Q

Which amino acid is the precursor for both cysteine and glycine ?

A

Serine

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9
Q

Which of the following amino acids cannot be synthesized in humans

A

Phenylalanine

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10
Q

in which form is nitrogen transported from the brain and muscle to the liver ?

A

Glutamine

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11
Q

what are the two cellular locations of the urea cycle ?

A

cytosol and mitochondria

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12
Q
A
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12
Q

in the urea cycle, how many enzymes contribute to the different steps of the cycle

A

5

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