Amino Acids, Peptides , Proteins Q2

Question 1

List the essential and nonessential ammino acids.

Answer 1

Essential: Histidine, Isleucine, Leucine, Lysine, Methionine, Phenylalanine, Threonine, Tryptophan, Valine.
Nonessential: Alanine, Asparagine, Aspartate, Glutamate, Serine.

Question 2

What are the ketogenic AAs?

Answer 2

Leucine, Lysine, Phenylalanine, Tryptophan, Tyrosine, Isoleucine, Leucine.

Question 3

What are the non polar AAs?

Answer 3

Glycine, Alanine, Proline, Valine, Leucine, Isoleucine, Methionine, Phenylalanine.

Question 4

What are the polar AAs?

Answer 4

Serine, Threonine, Cysteine, Asparagine, Glutamine, Lysine, Histidune, Arginine, Aspartate, Glutamate, Tyrosine, Tryptophan.

Question 5

What conformation are the majority of amino acids found in in nature?

Answer 5

L

Question 6

What two AAs are important for collagen assembly?

Answer 6

Hydroxyproline and hydroxylysine.

Question 7

What are the two amino acids found in perio patients that causes bad breath?

Answer 7

Ornithine and Citrulline.

Question 8

Explain the levels of protein structure.

Answer 8

Primary is the AA sequence. Secondary is the hydrogen bonding creating alpha and beta sheets. Tertiary is the side chain interacting and the quaternary is multiple subunits coming together.

Question 9

List the conditionally essential amino acids.

Answer 9

Aspirigine, Cysteine, Glutamine, Glycine, Proline, Tyrosine.