Protein Metabolism Flashcards

Professor Madura

1
Q

______ _____ is used in both the Urea cycle and the Aminotransferase reaction

A

Pyridoxal Phosphate

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2
Q

Dopamine, Epi, NE, THyroxine, and Melanin all have a _____ amino acid precursor

A

Tyrosine

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3
Q

Alanine’s non-amino pair is ______

A

Pyruvate

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4
Q

In SAM creation, the dynamics revolve around one bonding pair, however in Tetrahydrofolate dynamics, it is centered around _____ Nitrogen bonds.

A

2

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5
Q

Tyrosine is non-essential, unless _____ becomes limited.

A

Phenylalanine

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6
Q

Glutamate is the precursor for ______, a key allosteric activator of the Urea Cycle

A

N-acetylglutamate

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7
Q

In a vitamin B12 deficiency, Homocysteine and 5-_____ accumulate

A

Methyltetrahydrofolate

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8
Q

Oxaloacetate’s amino pair is _____

A

Aspartate

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9
Q

Homocystenine can be converted to ____ via Pyridoxal PHosphate

A

Cysteiene

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10
Q

The co-factor needed for Trans-amination reactions is ______ _____, a derivative of Vitamin B6

A

Pyridoxal Phosphate

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11
Q

An alternate use for Methionine is to attach a transferrable methyl group with the enzyme _______. This is used for RNA, DNA, Epi, choline, and melatonin.

A

S-adenosyl Methionine Synthase

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12
Q

Tetrahydrobiopterin is needed to convert Phenylalanine into ____ and Tyrosine into DOPA

A

Tyrosine

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13
Q

The two Ketogenic amino acids _____ and _____ yield Acetoacetate

A

Leucine and Lysine

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14
Q

3 co-factors needed to go from NE to E

A
  1. SAM
  2. B12
  3. Folate
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15
Q

Alpha-Keto-glutarate’s amino pair is ______

A

Glutamate

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16
Q

Aspartate’s non-amino pair is _____

A

Oxaloacetate

17
Q

Glutaminase, Asparaginase, Arginase, and Carbamoyl Phosphate Synthetase I are enzymes that are exclusively found in the _____

A

Liver

18
Q

Serotonin, Melatonin, and Niacin (B1) all derive from the amino acid _____

A

Tryptophan

19
Q

GABA, Histamine, and Serotonin all undergo a _____ reaction to be created

A

Decarboxylation

20
Q

Blue diaper syndrome is caused by a failure to absorb _____ in the intestine

A

Tryptophan

21
Q

Most Alpha amino groups are transferred to ______

A

alpha-ketoglutarate

22
Q

Homocysteine can be methylated to restore _____ with the cofactor Vitamin _____

A
  • Methionine

- B12

23
Q

Glutamate’s non-amino pair is ________

A

Alpha-Keto-glutarate

24
Q

____ is the RLS in nitrogen excretion, and is regulated via positive regulation with N-Acetyl Glutamate

A

CPS-1

25
Q

All Three Aromatic Amino Acid Hydroxylases require _____

A

Tetrahydrobiopterin

26
Q

Cysteine is non-essential, unless _____ becomes limited

A

Methionine

27
Q

Pyruvate’s amino pair is _____

A

Alanine

28
Q

Low levels of dopamine cause _____, whereas high levels are associated with _____

A
  • Parkinson’s

- Schizophrenia