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PLE 2018 > Biochem - Amino Acids > Flashcards

Biochem - Amino Acids Flashcards

1
Q

Smallest side chain

A

Glycine

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2
Q

Used in heme synthesis

A

Glycine

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3
Q

Conjugated to bile acids

A

Glycine

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4
Q

Inhibitory neurotransmitter in the spinal cord

A

Glycine

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5
Q
  • H
A

Glycine

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6
Q
  • Methyl group
A

Alanine

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7
Q

Two amino acids that constitute majority of amino acids in the blood

A

Glycine

Alanine

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8
Q

Carrier of ammonia from skeletal muscle to liver

A

Alanine

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9
Q

Branched chain amino acids

A

Valine, Isoleucine, Leucine

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10
Q

Maple Syrup Urine Disease

A

Valine, Leucine, Isoleucine

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11
Q

Phenylketonuria

A

Phenylalanine

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12
Q

Precursor of Tyrosine

A

Phenylalanine

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13
Q

Largest side chain

A

Tryptophan

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14
Q

Has a double ring

A

Tryptophan

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15
Q

Precursor of Niacin

A

Tryptophan

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16
Q

Precursor of Serotonin

A

Tryptophan

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17
Q

Precursor of Melatonin

A

Tryptophan

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18
Q

Precursor of Homocysteine

A

Methionine

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19
Q

Transfer of methyl group as S-adenosylmethionine

A

Methionine

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20
Q

Imino acid

A

Proline

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21
Q

Contributes to fibrous structure of collagen

A

Proline

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22
Q

Interrupts alpha helices in globular proteins

A

Proline

23
Q

Uncharged Polar Amino Acids

A

Serine, Tyrosine, Threonine
Cysteine
Asparagine, Glutamine

24
Q

Precursor of L-dopa

A

Tyrosine

25
Q

Site for N-linked glycosylation

A

Asparagine

26
Q

Participates in biosynthesis of Coenzyme A

A

Cysteine

27
Q

Acidic Amino Acids

A

Aspartate, Glutamate

28
Q

Precursor of GABA and Glutathione

A

Glutamate

29
Q

Precursors of Glutathione

A

Glutamate
Cysteine
Glycine

30
Q

Basic Amino Acids

A

Histidine
Lysine
Arginine

31
Q

Precursor of Creatine

A

Arginine
Glycine
Methionine

32
Q

Precursor of NO

A

Arginine

33
Q

Precursor of Urea

A

Arginine

34
Q

Precursor of Histamine

A

Histidine

35
Q

21st Amino Acid

A

Selenocysteine

36
Q

Only amino acid without a chiral group

A

Glycine

37
Q

Essential amino acids

A 
Phenylalanine
Valine
Threonine
Tyrosine
Isoleucine
Methinonine
Histidine
Arginine* 
Leucine
Lysine
38
Q

Sickle cell disease amino acid change

A

Glutamate to Valine

39
Q

Hemoglobin C disease amino acid change

A

Lysine -> Glutamate

40
Q

Precursor of polyamines

A

Arginine

Methionine

41
Q

Precursor of taurine

A

Cysteine

42
Q

Precursor of purines

A

Glycine

Serine

43
Q

Precursor of Sphingosine

A

Serine

44
Q

Precursor of thyroid hormones

A

Tyrosine

45
Q

Precursor of NE and E

A

Tyrosine

46
Q

Precursor of Dopamine

A

Tyrosine

47
Q

Precursor of Melanin

A

Tyrosine

48
Q

Inhibits lipolysis in adipose tissue and is thus used to treat hyperlipidemia

A

Niacin

49
Q

Conezyme in glycogen phosphorylase

A

Pyridoxine

50
Q

Electron carrier in redox reactions

A

Riboflavin

51
Q

Maintenance of calcium balance

A

VItamin D

52
Q

Maintains fluidity of cell membrane

A

Vitamin E

53
Q

Coenzyme for Methylmalonyl CoA mutase

A

Cobalamin

54
Q

Amino acids not able to transfer amino group to alpha ketoglutarate

A

Threonine
Proline
Lysine
Hydroxyproline

PLE 2018 (9 decks)

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