Amino Acids Flashcards

1
Q

Smallest side chain

Only achiral amino acid

A

Glycine

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2
Q

Major inhibitory NT in the spinal cord

A

Glycine

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3
Q

Tetanoplasmin prevents release of this NT from glycine-> tetanic paralysis

A

Glycine

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4
Q

Carrier of ammonia together with glutamine and glycine

A

Alanine

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5
Q

Branched chain amino acids whose metabolites accumulate in MSUD

A

LIV

Leucine
Isoleucine
Valine

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6
Q

Accumulates in phenylketonuria

A

Phenylalanine

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7
Q

Precursor of tyrosine

A

Phenylalanine

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8
Q

Tryptophan derivatives

A

TRYp Mo Siya No?

Tryptophan
Melatonin
Serotonin
Niacin

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9
Q

Has the largest side chain

A

Tryptophan

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10
Q

Precursor of niacin, serotonin, melatonin

A

Tryptophan

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11
Q

Source of methyl groups in metabolism

A

Methionine

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12
Q

Precursor of homocysteine and cysteine

A

Methionine

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13
Q

Imino acid

A

Proline

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14
Q

Contribute fibrous structure of collagen and interrupts a-helices in globular proteins

A

Proline

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15
Q

Phenylalanine/tyrosine derivatives

A

Pare True Love Does Not Exist

Phenylalanine
Tyrosine
L dopa
Dopamine
Norepinephrine
Epinephrine
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16
Q

Site for o linked glycosylation and phosphorylation of proteins

A

Serine
Threonine
Tyrosine

17
Q

Deaminated by glutaminase resulting in the formation of ammonia

A

Glutamine

18
Q

Major carrier of nitrogen to the liver from peripheral tissues

A

Glutamine

19
Q

Participates in biosynthesis of coenzyme a

A

Cysteine

20
Q

Precursor of GABA and glutathione

A

Glutamate

21
Q

Major excitatory NT

A

glutamate

22
Q

Acidic amino acids

A

Aspartate, glutamate

23
Q

Basic amino acids

A

HAL

histidine
Arginine
lysine

24
Q

Precursor of creatinine urea nitric oxide

A

Arginine

25
Q

Arginine derivatives

A

Creatinine
Urea
Nitric oxide

26
Q

Precursor of carnitine

A

Lysine

27
Q

21st amino acid

A

Selenocysteine

28
Q

Essential amino acid

A

PVT TIM HALL
Always ARGues, never TYRes

Phenylalanine Valine Threonine
Tryptophan Isoleucine Methionine
Histidine Arginine (semi essential) Leucine Lysine