Amino Acids

Question 1

Polar (neutral) amino acids

Answer 1

Serine             (Ser, S)
Threonine      (Thr, T)
Asparagine    (Asn, N)
Glutamine      (Glen, Q)
Glycine           (Gly, G)

Cysteine (Cys, C)
Tyrosine (Tyr, Y)

Question 2

Polar (acidic) amino acids

Answer 2

Glutamic Acid    (Glu, E)
Aspartic Acid     (Asp, D)

Question 3

Acronym for polar (neutral) amino acids

Answer 3

STAGG CT

Question 4

Acronym for polar (acid) amino acids

Answer 4

GA

Question 5

Acronym for polar (base) amino acids

Answer 5

HAL

Question 6

Polar (basic) amino acids

Answer 6

Histidine (His, H)
Arginine (Arg, R)
Lysine (Lys, K)

Question 7

Non-polar (hydrophobic) amino acids

Answer 7

Valine               (Val, V)
Alanine            (Ala, A)
Methionine    (Met, M)
Leucine           (Leu, L)
Isoleucine       (Ile, I)
Proline             (Pro, P)

Question 8

Valine abbreviation

Answer 8

Val (V)

Question 9

Alanine abbreviation

Answer 9

Ala (A)

Question 10

Leucine abbreviation

Answer 10

Leu (L)

Question 11

Proline abbreviation

Answer 11

Pro (P)

Question 12

Methionine abbreviation

Answer 12

Met (M)

Question 13

Tryptophan abbreviation

Answer 13

Try (W)

Question 14

Phenylalanine abbreviation

Answer 14

Phe (F)

Question 15

Isoleucine abbreviation

Answer 15

Ile (I)

Question 16

Glycine abbreviation

Answer 16

Gly (G)

Question 17

Serine abbreviation

Answer 17

Ser (S)

Question 18

Asparagine abbreviation

Answer 18

Asn (N)

Question 19

Glutamine abbreviation

Answer 19

Gln (Q)

Question 20

Threonine abbreviation

Answer 20

Thr (T)

Question 21

Cysteine abbreviation

Answer 21

Cys (C)

Question 22

Tyrosine abbreviation

Answer 22

Tyr (Y)

Question 23

Aspartic acid abbreviation

Answer 23

Asp (D)

Question 24

Glutamic acid abbreviation

Answer 24

Glu (E)

Question 25

Lysine abbreviation

Answer 25

Lys (K)

Question 26

Arginine abbreviation

Answer 26

Arg (R)

Question 27

Histidine abbreviation

Answer 27

His (H)

Question 28

Amino acid with a pKa value close to neutral

Answer 28

His (H): pKa (imidazole) = 6.0 Cys (C): pKa (sulfahydryl) = 8.3

Question 29

pKa value close to pH value serves as

Answer 29

Buffer

Question 30

Peptidyl bond tasks place on

Answer 30

Ribosome

Question 31

Non-covalent interactions that stabilize a protein structure

Answer 31

Hydrogen Ionic Hydrophobic Van der Waals

Question 32

One polypeptide chain

Answer 32

Monomeric protein

Question 33

More than one polypeptide chain

Answer 33

Multimeric protein

Question 34

One kind polypeptide chain

Answer 34

Homomultimer

Question 35

Two or more different polypeptide chains

Answer 35

Heteromultimer

Question 36

Hemoglobulin structure

Answer 36

Heterotetramer (2 alpha and 2 beta)

Question 37

Amino acids linked together by peptide bonds (structure)

Answer 37

Primary

Question 38

Regions of polypeptide chain coiled into a-helix (structure)

Answer 38

Secondary

Question 39

Final folding of polypeptide chain - region associate with each other (structure)

Answer 39

Tertiary

Question 40

Two or more peptide chains that form functional protein (structure)

Answer 40

Quaternary

Question 41

Secondary structure (consists of)

Answer 41

Alpha helix | Beta sheets

Question 42

Bonds of secondary protein structure

Answer 42

Hydrogen

Question 43

Bonds of primary protein structure

Answer 43

Peptidyl bond (covalent)

Question 44

Bonds of quaternary proteins

Answer 44

Hydrogen Ionic van der Waals

Question 45

Bonds of tertiary protein structures

Answer 45

``` Salt bridges (disulfide) Ionic interactions ```

Question 46

Ionic interactions occur

Answer 46

On protein structure

Question 47

Stabilizes folding

Answer 47

Disulfide bonds (covalent)

Question 48

Bonds that drive protein folding

Answer 48

Hydrophobic interactions

Question 49

Functional diversity of protein structures derives from

Answer 49

1) Number of folded structures | 2) Chemistry of side chains

Question 50

Globular proteins consist most of

Answer 50

Helixes and sheets

Question 51

Carbon atom of amino acid (structure)

Answer 51

Central tetrahedral

Question 52

Sequence of amino acids if encoded by

Answer 52

Nucleotide sequence of DNA

Question 53

Protein structure is read from

Answer 53

Amine group to carboxyl group

Question 54

Bonds that will stabilize folding

Answer 54

Covalent disulfide

Question 55

Reason for protein folding into 3D structures

Answer 55

Hydrophilic and hydrophobic

Question 56

Surface elements of globular protein structure responsible for

Answer 56

Enzyme-substrate interactions Cell signaling Immune responses