Amino Acids

Question 1

Building blocks of proteins

Answer 1

Amino acid

Question 2

What are the nonpolar side chains amino acid

Answer 2

Glycine
Alanine
Valine
Leucine
Isoleucine
Phenylalanine
Proline

Question 3

What are the amino acid that present in hydroxyl group

Answer 3

Serine
Threonine
Tyrosine

Question 4

What are the polar amino acid

Answer 4

Serine
Threonine
Cysteine
Asparagine
Glutamine

Question 5

What are the aromatic R groups amino acid

Answer 5

Phenylalanine
Tyrosine
Tryptophan

Question 6

What are the amino acid that has presence of sulfur

Answer 6

Cysteine
Methionine

Question 7

What are the non basic nitrogen amino acid

Answer 7

Asparagine
Glutamine
Tryptophan

Question 8

What are the acidic amino acid

Answer 8

Aspartic acid
Glutamic acid

Question 9

What are the essential amino acid

Answer 9

Histidine
Methionine
Alanine
Threonine
Isoleucine
Leucine
Valine
Proline

Question 10

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

Answer 10

Isoelectric point

Question 11

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

Answer 11

Zwitterion

Question 12

Amino acid is _____ in water

Answer 12

Soluble

Question 13

Amino acid is _____ in nonpolar solvent

Answer 13

Insoluble

Question 14

What are the examples of nonpolar solvent

Answer 14

Benzene and ether

Question 15

Amino acid is ____ melting point and have _____ vapor pressure

Answer 15

High,low

Question 16

Amino acid have large _____ moments and ______constant

Answer 16

Dipole, dielectric

Question 17

Amino acid is _____ except for glycine

Answer 17

Chiral

Question 18

Amino acid can _____ light in the _____ region

Answer 18

Absorb, UV

Question 19

Covalent bonds formed by the nucleophilic addition elimination reaction

Answer 19

Peptide bonds

Question 20

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

Answer 20

Carboxylic group and amino group

Question 21

What do you call a peptide that contains two amino acid

Answer 21

Dipeptide

Question 22

What do you call a peptide that contains three amino acid

Answer 22

Tripeptide

Question 23

What do you call a peptide that contains four amino acid

Answer 23

Tetrapeptide

Question 24

What is the peptide bond formation

Answer 24

Mechanism of nucleic addition elimination reaction

Question 25

One and three letter abbreviation of alanine

Answer 25

A, Ala

Question 26

one and three letter abbreviations of arginine

Answer 26

R, Arg

Question 27

one and three letter abbreviations of asparagine

Answer 27

N, Asn

Question 28

one and three letter abbreviation of aspartic acid

Answer 28

D, Asp

Question 29

one and three letter abbreviation of cysteine

Answer 29

C, Cys

Question 30

One and three letter abbreviation of glutamic acid

Answer 30

E, Glu

Question 31

one and three letter abbreviations of glutamine

Answer 31

Q, Gln

Question 32

one and three letter abbreviation of glycine

Answer 32

G, Gly

Question 33

one and three letter abbreviation of histidine

Answer 33

H, His

Question 34

one and three letter abbreviations of isoleucine

Answer 34

I, Ile

Question 35

One and three letter abbreviations of leucine

Answer 35

L, Leu

Question 36

One and three letter abbreviation of lysine

Answer 36

K,Lys

Question 37

One and three letter abbreviation of methionine

Answer 37

M, Met

Question 38

One and three letter abbreviation of phenylalanine

Answer 38

F, Phe

Question 39

One and three letter abbreviations of proline

Answer 39

P, Pro

Question 40

one and three letter abbreviation of serine

Answer 40

S, Ser

Question 41

one and three letter abbreviation of threonine

Answer 41

T, Thr

Question 42

One and three letter abbreviation of tryptophan

Answer 42

W, Trp

Question 43

one and three letter abbreviation of tyrosine

Answer 43

Y, Tyr

Question 44

one and three letter abbreviation of valine

Answer 44

V, Val

Question 45

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

Answer 45

Three letter and one letter abbreviation

Question 46

An amino acid polymer of short chain length

Answer 46

Peptide

Question 47

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

Answer 47

Polypeptide

Question 48

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

Answer 48

Amino acid residue

Question 49

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

Answer 49

N terminal residue

Question 50

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

Answer 50

C terminal residue

Question 51

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

Answer 51

Disulfide bridge