BioChem Lecture 1_Intro to Amino Acids

Question 1

Describ a Zwitter ion

Answer 1

a molecule with positive and negative charged sections with an over all net charge of zero

Question 2

Describe an iso electric point and how it is found

Answer 2

An iso electric point is the pH range in which most of a particular amino acid will exist as a zwitter ion. It is the average of pKa1 and pKa2

Question 3

What is the three letter abreviation of glycine

Answer 3

gly

Question 4

What is the three letter abreviation of Alanine

Answer 4

ala

Question 5

What is the three letter abreviation of Proline

Answer 5

pro

Question 6

What is the three letter abreviation of Valine

Answer 6

val

Question 7

What is the three letter abreviation of Leucine

Answer 7

leu

Question 8

What is the three letter abreviation of Isoleucine

Answer 8

ile

Question 9

What is the three letter abreviation of Phenylalinine

Answer 9

phe

Question 10

What is the three letter abreviation of Tyrosine

Answer 10

tyr

Question 11

What is the three letter abreviation of Tryptophan

Answer 11

trp

Question 12

What is the three letter abreviation of Asparagine

Answer 12

asn

Question 13

What is the three letter abreviation of Glutamine

Answer 13

gln

Question 14

What is the three letter abreviation of Serine

Answer 14

ser

Question 15

What is the three letter abreviation of threonine

Answer 15

thr

Question 16

What is the three letter abreviation of Methionine

Answer 16

met

Question 17

What is the three letter abreviation of Cysteine

Answer 17

cys

Question 18

What is the three letter abreviation of Aspartate

Answer 18

asp

Question 19

What is the three letter abreviation of Glutamate

Answer 19

glu

Question 20

What is the three letter abreviation of Arginine

Answer 20

arg

Question 21

What is the three letter abreviation of Lysine

Answer 21

lys

Question 22

What is the three letter abreviation of Hisidine

Answer 22

his

Question 23

List the 6 nonpolar aliphatic amino acids

Answer 23

glycine alanine proline valine Leucine Isoleucine

Question 24

List the 3 aromatic amino acids

Answer 24

Phenylalinine (Benzene Ring, non polar) Tyrosine (Benzene Ring, more polar because of OH) Tryptophan (Indol ring, somewhat polar)

Question 25

List the 4 polar uncharged amino acids

Answer 25

asperigine (amide) Glutamine (amide) Serine (OH) Threonine (OH)

Question 26

List the 2 sulfur containing amino acids

Answer 26

Methionine Cysteine

Question 27

List the the 2 negative charged (basic) amino acids

Answer 27

Aspartate Glutamate

Question 28

List the 3 positive charged (basic) amino acids

Answer 28

Arginine Lysine Histidine

Question 29

What special reactions do sulfur containing amino acids participate in?

Answer 29

Methionine is a methyl doner in methalation reactions. Cystine can form disulfide bridges.

Question 30

List the 11 Nonessetial amino acids

Answer 30

Alanine Arginine Asparagine Aspartate Cystine Glutamate Glutamine Glycine Proline Serine Tryosine

Question 31

List the 9 essential amino acids

Answer 31

Histidine Methionine Threonine Valine Isolucine Phenylalanine Tryptophan Leucine Lysine

Question 32

What are the 6 conditionally essential amino acids

Answer 32

Arginine Cystine Glutamine Glycine Proline Tyrosine

Question 33

What are the exclusivly ketogenic AAs?

Answer 33

Leucine and Lycine

Question 34

What are the ketogenic and glucogenic AAs?

Answer 34

Tyrosine, Phenylalinine, Tryptophan, isoleucine

Question 35

What are the exclusivly glucogenic AAs?

Answer 35

Everything except the aromatics, two of the branched (leucine and isoleucine) and one polar charged (Lycine)