Amino Acids Chemistry

Question 1

What are the building blocks of protein named?

Answer 1

Amino acids

Question 2

How many building blocks of protein are there?

Answer 2

20

Question 3

When a solution of amino acids is placed in plane polarized light what happens?

Answer 3

The light bends to the left

Question 4

Name the aliphatic amino acids

Answer 4

Glycine, Alanine, Isoleucine, Valine, Leucine (branched)

Question 5

What does R- mean?

Answer 5

Side chain

Question 6

Name the amino acids where R = hydroxyl group

Answer 6

Serine, Threonine, Tyrosine

Question 7

What is the organic structure of a hydroxyl group?

Answer 7

OH

Question 8

Name the amino acids where R contains S

Answer 8

Cysteine, Methionine

Question 9

What are food sources of amino acids that contain S

Answer 9

Eggs, cruciferous vegetables (broccoli, kale)

Question 10

Draw the concept map of anti-oxidation using R-SH

Answer 10

• anti-oxidant (tripeptide) containing cysteine
  (Reduced) G - SH + HS - G + H2O2
  (Oxidized) G - S - S - G + 2H2O

Question 11

What “amino acid” contains a disulfide bond or bridge?

Answer 11

Cystine (=2 cysteines)

Question 12

Name the acidic amino acids

Answer 12

Aspartic acid, Glutamic acid

Question 13

Name the salts of the acidic amino acids

Answer 13

Aspartate, Glutamate

Question 14

What is the charge of the salts of the acidic amino acids?

Answer 14

Negative

Question 15

Name the amides of the acidic amino acids

Answer 15

Asparagine, Glutamine

Question 16

Name the basic amino acids

Answer 16

Histidine, Arginine, Lysine

Question 17

What is the charge of the basic amino acids?

Answer 17

Positive

Question 18

Name the aromatic amino acids

Answer 18

Phenylalanine, Tyrosine, Tryptophan

Question 19

Name the imino acid

Answer 19

Proline

Question 20

List the essential amino acids

Answer 20

(PVT TIM HALL)
Phenylalanine
Valine
Tryptophan
Threonine
Isoleucine
Methionine
Histidine
Arginine
Lysine
Leucine