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Biochem Lec MID-TERMS > Amino Acids > Flashcards

Amino Acids Flashcards

1
Q

Building blocks of proteins

A

Amino acid

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2
Q

What are the nonpolar side chains amino acid

A

Glycine
Alanine
Valine
Leucine
Isoleucine
Phenylalanine
Proline

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3
Q

What are the amino acid that present in hydroxyl group

A

Serine
Threonine
Tyrosine

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4
Q

What are the polar amino acid

A

Serine
Threonine
Cysteine
Asparagine
Glutamine

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5
Q

What are the aromatic R groups amino acid

A

Phenylalanine
Tyrosine
Tryptophan

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6
Q

What are the amino acid that has presence of sulfur

A

Cysteine
Methionine

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7
Q

What are the non basic nitrogen amino acid

A

Asparagine
Glutamine
Tryptophan

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8
Q

What are the acidic amino acid

A

Aspartic acid
Glutamic acid

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9
Q

What are the essential amino acid

A

Histidine
Methionine
Alanine
Threonine
Isoleucine
Leucine
Valine
Proline

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10
Q

The pH at which the net charge of the molecule is zero

A

Isoelectric point

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11
Q

The ion form of the amino acid wherein the net charge of the molecule is zero; the ionized form of the amino acid at its isoelectric point

A

Zwitterion

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12
Q

Amino acid is _____ in water

A

Soluble

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13
Q

Amino acid is _____ in nonpolar solvent

A

Insoluble

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14
Q

What are the examples of nonpolar solvent

A

Benzene and ether

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15
Q

Amino acid is ____ melting point and have _____ vapor pressure

A

High,low

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16
Q

Amino acid have large _____ moments and ______constant

A

Dipole, dielectric

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17
Q

Amino acid is _____ except for glycine

A

Chiral

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18
Q

Amino acid can _____ light in the _____ region

A

Absorb, UV

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19
Q

Covalent bonds formed by the nucleophilic addition elimination reaction

A

Peptide bonds

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20
Q

What reaction is involved between the nucleophilic addition elimination of peptide bonds

A

Carboxylic group and amino group

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21
Q

What do you call a peptide that contains two amino acid

A

Dipeptide

22
Q

What do you call a peptide that contains three amino acid

A

Tripeptide

23
Q

What do you call a peptide that contains four amino acid

A

Tetrapeptide

24
Q

What is the peptide bond formation

A

Mechanism of nucleic addition elimination reaction

25
Q

One and three letter abbreviation of alanine

A

A, Ala

26
Q

one and three letter abbreviations of arginine

A

R, Arg

27
Q

one and three letter abbreviations of asparagine

A

N, Asn

28
Q

one and three letter abbreviation of aspartic acid

A

D, Asp

29
Q

one and three letter abbreviation of cysteine

A

C, Cys

30
Q

One and three letter abbreviation of glutamic acid

A

E, Glu

31
Q

one and three letter abbreviations of glutamine

A

Q, Gln

32
Q

one and three letter abbreviation of glycine

A

G, Gly

33
Q

one and three letter abbreviation of histidine

A

H, His

34
Q

one and three letter abbreviations of isoleucine

A

I, Ile

35
Q

One and three letter abbreviations of leucine

A

L, Leu

36
Q

One and three letter abbreviation of lysine

A

K,Lys

37
Q

One and three letter abbreviation of methionine

A

M, Met

38
Q

One and three letter abbreviation of phenylalanine

A

F, Phe

39
Q

One and three letter abbreviations of proline

A

P, Pro

40
Q

one and three letter abbreviation of serine

A

S, Ser

41
Q

one and three letter abbreviation of threonine

A

T, Thr

42
Q

One and three letter abbreviation of tryptophan

A

W, Trp

43
Q

one and three letter abbreviation of tyrosine

A

Y, Tyr

44
Q

one and three letter abbreviation of valine

A

V, Val

45
Q

Are used to represent amino acid s are given after the names

A

Three letter and one letter abbreviation

46
Q

An amino acid polymer of short chain length

A

Peptide

47
Q

An amino acid polymer of intermediate chain length containing up to 50 amino acids residues

A

Polypeptide

48
Q

The parts of amino acids involved in peptide polypeptide or protein chain formation by the removal of water

A

Amino acid residue

49
Q

An amino acid on the left end of a chain that has an unreacted or free amino group

A

N terminal residue

50
Q

An amino acid on the right end of a chain that has an unreacted or free carboxylate group

A

C terminal residue

51
Q

A bond produced by the oxidation of -SH groups on two cysteine residues. The bond loops are holds two peptide chains together

A

Disulfide bridge

Biochem Lec MID-TERMS (6 decks)

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