lecture 4

Question 1

pka of terminal alpha carboxyl group?

Answer 1

3.1

Question 2

pka of arginine?

Answer 2

12.5

Question 3

pka of tryosine?

Answer 3

10.9

Question 4

pka of aspartic acid or glutamic acid

Answer 4

4.1

Question 5

pka of lysine?

Answer 5

10.8

Question 6

pka of histidine

Answer 6

6

Question 7

pka of terminal alpha amino group?

Answer 7

8

Question 8

pka of cysteine?

Answer 8

8.3

Question 9

name the two different types of kinetic energy

Answer 9

thermal energy and radient energy

Question 10

explain thermal energy

Answer 10

energy of motion, or heat energy

Question 11

explain radiant energy

Answer 11

energy of light converted to heat energy, could be used to generate chemical bond ebery

Question 12

what is the energy of hydrogen bonds in water?

Answer 12

5kcal/mol

Question 13

what is the energy of hydrogen bonds in proteins and nucleic acids?

Answer 13

1-2kcal/mol

Question 14

what is the van der waals energy?

Answer 14

1kcal/mol

Question 15

what is the order of magnitude for covalent bonds?

Answer 15

200-800

Question 16

what is the order of magnitude for hydrophobic interactions?

Question 17

what is the order of magnitude for van der waals?

Answer 17

.4-4

Question 18

what is the order of magnitude for hydrogen bonding

Answer 18

4-40

Question 19

order of magnitude for ion-ion

Answer 19

40-400

Question 20

order of magnitude for ion-dipole

Answer 20

5-60