Biochem - Amino Acids

Question 1

Smallest side chain

Answer 1

Glycine

Question 2

Used in heme synthesis

Answer 2

Glycine

Question 3

Conjugated to bile acids

Answer 3

Glycine

Question 4

Inhibitory neurotransmitter in the spinal cord

Answer 4

Glycine

Question 5

• H

Answer 5

Glycine

Question 6

• Methyl group

Answer 6

Alanine

Question 7

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

Answer 7

Glycine

Alanine

Question 8

Carrier of ammonia from skeletal muscle to liver

Answer 8

Alanine

Question 9

Branched chain amino acids

Answer 9

Valine, Isoleucine, Leucine

Question 10

Maple Syrup Urine Disease

Answer 10

Valine, Leucine, Isoleucine

Question 11

Phenylketonuria

Answer 11

Phenylalanine

Question 12

Precursor of Tyrosine

Answer 12

Phenylalanine

Question 13

Largest side chain

Answer 13

Tryptophan

Question 14

Has a double ring

Answer 14

Tryptophan

Question 15

Precursor of Niacin

Answer 15

Tryptophan

Question 16

Precursor of Serotonin

Answer 16

Tryptophan

Question 17

Precursor of Melatonin

Answer 17

Tryptophan

Question 18

Precursor of Homocysteine

Answer 18

Methionine

Question 19

Transfer of methyl group as S-adenosylmethionine

Answer 19

Methionine

Question 20

Imino acid

Answer 20

Proline

Question 21

Contributes to fibrous structure of collagen

Answer 21

Proline

Question 22

Interrupts alpha helices in globular proteins

Answer 22

Proline

Question 23

Uncharged Polar Amino Acids

Answer 23

Serine, Tyrosine, Threonine
Cysteine
Asparagine, Glutamine

Question 24

Precursor of L-dopa

Answer 24

Tyrosine

Question 25

Site for N-linked glycosylation

Answer 25

Asparagine

Question 26

Participates in biosynthesis of Coenzyme A

Answer 26

Cysteine

Question 27

Acidic Amino Acids

Answer 27

Aspartate, Glutamate

Question 28

Precursor of GABA and Glutathione

Answer 28

Glutamate

Question 29

Precursors of Glutathione

Answer 29

Glutamate
Cysteine
Glycine

Question 30

Basic Amino Acids

Answer 30

Histidine
Lysine
Arginine

Question 31

Precursor of Creatine

Answer 31

Arginine
Glycine
Methionine

Question 32

Precursor of NO

Answer 32

Arginine

Question 33

Precursor of Urea

Answer 33

Arginine

Question 34

Precursor of Histamine

Answer 34

Histidine

Question 35

21st Amino Acid

Answer 35

Selenocysteine

Question 36

Only amino acid without a chiral group

Answer 36

Glycine

Question 37

Essential amino acids

Answer 37

Phenylalanine
Valine
Threonine
Tyrosine
Isoleucine
Methinonine
Histidine
Arginine* 
Leucine
Lysine

Question 38

Sickle cell disease amino acid change

Answer 38

Glutamate to Valine

Question 39

Hemoglobin C disease amino acid change

Answer 39

Lysine -> Glutamate

Question 40

Precursor of polyamines

Answer 40

Arginine

Methionine

Question 41

Precursor of taurine

Answer 41

Cysteine

Question 42

Precursor of purines

Answer 42

Glycine

Serine

Question 43

Precursor of Sphingosine

Answer 43

Serine

Question 44

Precursor of thyroid hormones

Answer 44

Tyrosine

Question 45

Precursor of NE and E

Answer 45

Tyrosine

Question 46

Precursor of Dopamine

Answer 46

Tyrosine

Question 47

Precursor of Melanin

Answer 47

Tyrosine

Question 48

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

Answer 48

Niacin

Question 49

Conezyme in glycogen phosphorylase

Answer 49

Pyridoxine

Question 50

Electron carrier in redox reactions

Answer 50

Riboflavin

Question 51

Maintenance of calcium balance

Answer 51

VItamin D

Question 52

Maintains fluidity of cell membrane

Answer 52

Vitamin E

Question 53

Coenzyme for Methylmalonyl CoA mutase

Answer 53

Cobalamin

Question 54

Amino acids not able to transfer amino group to alpha ketoglutarate

Answer 54

Threonine
Proline
Lysine
Hydroxyproline