CHE103:13

Question 1

Iconic bond

Answer 1

NH3+-O-

Question 2

Hydrophobic Interactions

Answer 2

They’re facing away from the inside as if it’s water

 Ch/ch3ch3/ch/ch3ch3

Question 3

Disulfide linkage

Answer 3

-s-s ; pretty self explanatory it’s just two sulfur’s connected

Question 4

Hydrogen Bonding

Answer 4

OH•••O

Question 5

Polar Neutral

Answer 5

Amino Acids (6) contain a hydroxyl (-OH), sulfur or amide

Question 6

Nonpolar

Answer 6

Amino acids (9), contain hydrocarbons or aromatic rings

Question 7

Acidic

Answer 7

Amino acids (2), contain a carboxylic acid group in the side chain

Question 8

Basic

Answer 8

Amino acids (3) contain an amino ( may be neutral or charged )

Question 9

Tertiary

Answer 9

3-Dimensional shape — has multiple ways of bonding

Question 10

Secondary

Answer 10

Alpha Helix, Beta Sheet, excessive hydrogen bonding { OH•••O}

Question 11

Primary

Answer 11

Peptide bonds

Question 12

Quaternary

Answer 12

Same multiple bonds as Tertiary but different subunits

• hemoglobin and insulin are examples of this structure

Question 13

pH=pl:

Answer 13

0

Question 14

pH>pl

Answer 14

-1

Question 15

pH

Answer 15

+1

Question 16

pH=7.0

Answer 16

NH2-COO-

Question 17

Lock & Key method implies what about the active site

Answer 17

The active site is a rigid pocket

Question 18

Competitive Inhibitor

Answer 18

Can be reversed

Question 19

Polar uncharged

Answer 19

Polar neutral

Question 20

Rossman Fold

Answer 20

Count +3 or -3, if the number is 203 your answer is either 200 or 206

Question 21

Condensation

Answer 21

Takes away water (h2o)

Question 22

Hydrolysis

Answer 22

Adds water (h2o)

Question 23

Denatures a Protein

Answer 23

1. Heat above 50°c
2. organic compounds
3. pH changes
4. Heavy metal ions
5. Strong acids/ base
6. Iconic compounds (NaCl)
7. Detergent
8. Agitation

Question 24

Polypeptide

Answer 24

A sequence of amino acids between 10-100 in length

Question 25

Protein

Answer 25

A peptide that is greater than 100 amino acids in length

Question 26

Alkenes

Answer 26

H3C—-CH===CH—-CH3

Question 27

Alkynes

Answer 27

H3C——C====C—-CH3

Question 28

Aromatics

Answer 28

Contains only carbon and hydrogen , has 6-carbon rings with alternative double bonds

Question 29

Alcohols (R-OH)

Answer 29

The oxygen atom is bonded to one hydrogen atom and one carbon atom. The carbon atom will be part of a larger organic structure

Question 30

Ethers

Answer 30

An oxygen atom that forms SINGLE bonds with two carbon atoms
(R-O-R’)

Question 31

This

Answer 31

Contains a sulfur atom bonded to a hydrogen atom

R—-SH

Question 32

Aldehydes

Answer 32

carbon and oxygen connected by a double bond

R—C—H

( double bonded O on the C)

Question 33

Ketons

Answer 33

the carbon atom makes single bonds with two R groups

R—C—R’

( double bonded O on the C )

Ex:

Ch3—C==O—cH3

Question 34

Carboxylic Acid

Answer 34

a carbon is bonded to an OH group on one side and either a carbon or hydrogen atom on the other

R—C—OH

(Double bonded O on the C )

Question 35

Esters

Answer 35

R—C—O—R’

Double bonded O on the C

Question 36

Amines

Answer 36

Consists of Nitrogen

Question 37

Amides

Answer 37

Three R groups connected to a carbon and a nitrogen with a double bonded oxygen

R—C(==O)—N(R’)—R”

Question 38

Haloalkanes

Answer 38

R—X