1.2 Amino acds and Proteins Flashcards

1
Q

Essential amino acids

A

PhenylalanineValineTryptophanThreonineIsoleucineMethionineHistidineArginineLeucineLysine

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2
Q

Essential in the diet of PKU patients

A

Tyrosine

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3
Q

Alkyl functional groups

A

GlycineAlanineValineLeucineIsoleucone

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4
Q

Hydroxyl group

A

SerineThreonine

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5
Q

Sulfur Group

A

CysteineMethionine

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6
Q

Carboxylic acid group

A

AspartateGlutamate

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7
Q

Amide Group

A

GlutamineAsparagine

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8
Q

Amino group

A

LysineArginine

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9
Q

Aromatic group

A

PhenylalanineTyrosineTryptohphan

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10
Q

Looped/Cyclic

A

Proline

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11
Q

Negatively charged (acidic)

A

Glutamic acidAspartic acid

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12
Q

Positively charged (basic)

A

ArgininehistidineLysine

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13
Q

Polar uncharged (hydrophilic)

A

SerineThreonineAsparagineGlutamineCysteine

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14
Q

Nonpolar aliphatic (hydrophobic)

A

GlycineProlineAlanineValineIsoleucineLeucineMethionine

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15
Q

Aromatic

A

PhenylalanineTyrosineTryptophan

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16
Q

Can be inserted in foldings because of the imino group

A

Proline

17
Q

Protein charge when pH > PI

A

Negative

18
Q

Protein charge when pH < PI

A

Positive

19
Q

Order in which proton is given off

A

COO–> R group –> NH3

20
Q

Enzymes that facilitate Hydroxylations

A

Hydroxylases

21
Q

Principal residue of hydroxylated proteins

A

proline

22
Q

Essential element of collagen

A

Proline

23
Q

Amino acid modification involved in blood clotting cascade, bone growth, and extraosseous calcification

A

Carboxylation