Biochem Week 1

Question 1

Ala

Answer 1

Alanine
hydrophobic AA
Aliphatic AA

Question 2

Val

Answer 2

Valine
hydrophobic AA
Aliphatic AA

Question 3

Ile

Answer 3

Isoleucine
hydrophobic AA
Aliphatic AA

Question 4

Met

Answer 4

Methionine
hydrophobic AA
Aliphatic AA

Question 5

Phe

Answer 5

Phenylalanine
Aromatic AA
hydrophobic AA

Question 6

Tyr

Answer 6

Tyrosine
hydrophobic AA
Aromatic AA

Question 7

Trp

Answer 7

Tryptophan
hydrophobic AA
Aromatic AA

Question 8

Lys

Answer 8

Lysine
hydrophilic AA
Basic AA

Question 9

Arg

Answer 9

Arginine
hydrophilic AA
Basic AA

Question 10

His

Answer 10

histidine
hydrophilic AA
Basic AA

Question 11

Asp

Answer 11

Aspartate
Acidic Amino acids
hydrophilic

Question 12

Glu

Answer 12

glutamate
Acidic Amino acids
hydrophilic

Question 13

Ser

Answer 13

Serine
polar AA with uncharged R groups
hydrophilic

Question 14

Thr

Answer 14

threonine
polar AA with uncharged R groups
hydrophilic

Question 15

Asn

Answer 15

Asparagine
polar AA with uncharged R groups
hydrophilic

Question 16

Gln

Answer 16

Glutamine
polar AA with uncharged R groups
hydrophilic

Question 17

Cys

Answer 17

Cysteine

special AA

Question 18

Gly

Answer 18

glycine

Special AA

Question 19

Pro

Answer 19

proline

special AA

Question 20

Basic AA +1 or -1 pH 7

Answer 20

+1

Question 21

Acidic AA +1 or -1 at pH 7

Answer 21

-1

Question 22

which sugar is not a reducing sugar?

Answer 22

Sucrose

Question 23

primary blood plasma buffering system

Answer 23

carbonic acid buffer

Question 24

primary intracellular fluid buffer

Answer 24

phosphate buffer

Question 25

Hydrolysis

Answer 25

The breaking of a covalent bond by the chemical insertion of a water molecule -catalyzed by a group of enzymes called hydrolases

Question 26

Dehydration Synthesis (condensation reaction)

Answer 26

The formation of a covalent bond by the chemical removal of a water molecule

Question 27

If the hydroxyl group on the anomeric C is below the plane | of the ring it is referred to as

Answer 27

alpha anomer

Question 28

Hyaluronan

Answer 28

highly viscous solutions that serve as the lubricants in the synovial fluid of joints; gives the vitreous humor of the eye its jellylike consistency; is an essential component of the ECM

Question 29

Chondroitin 4/6-sulfate

Answer 29

Contributes to the tensile strength of cartilage, | tendons, ligaments, and the walls of the aorta

Question 30

Dermatan sulfate

Answer 30

Contributes to the pliability of skin and is also present in blood vessels and heart valves

Question 31

Keratan sulfate

Answer 31

Present in the cornea, cartilage, bone, and a variety of horny structures formed from dead cells (hair, nails)

Question 32

Heparin

Answer 32

 Functions as a natural anticoagulant highest negative charge density of any known bio-macromolecule