Lecture 2

Question 1

The 4 macromolecules include

Answer 1

Proteins
Neucleic acids: DNA
Lipids
Carbohydrates

Question 2

Dehydration removes/adds an ____ to bond/cleave a polymer

Answer 2

removes
H2O
bond

Question 3

Hydrolysis makes polymers bigger/smaller

Answer 3

smaller

Question 4

dehydration makes polymers bigger/smaller

Answer 4

smaller

Question 5

Proteins are built from _____ _____

Answer 5

amino acids

Question 6

Proteins r groups are either _____ or ______

Answer 6

Hydrophilic

hydrophobic

Question 7

_____ structure: carbon skeleton/amino acid order

Answer 7

primary

Question 8

_____ structure: Hydrogen bonds between back bones of various amino acids

Answer 8

Secondary

Question 9

_____ structure: uses R-groups (covalent/ionic/hydro bonds) includes disulfide bonds

Answer 9

Tert

Question 10

_____ structure: interactions of polypeptide chains

Answer 10

Quat

Question 11

Alpha refers to a structure in which

Answer 11

you have a helix

Question 12

Beta pleated sheet refers to a structure where

Answer 12

backbone formation, creates a sheet with alternating folds (150 degree bends alternating directions)

Question 13

1: Skeleton
2: Alpha/beta: hydrogen interactions
3: R-groups
4: Poly-Poly

Answer 13

ye

Question 14

Structure of a triglyceride:

Answer 14

Three fatty acids connected to a glycerol backbone

Question 15

Function:

Triglycerides

Answer 15

Energy storage

Question 16

Function:

Phospholipids

Answer 16

Cell membrane

Question 17

Function:

Steroids

Answer 17

hormones

Question 18

Function:

Carotenoids

Answer 18

Pigments, vitamins

Question 19

Cellulose is found in:

Answer 19

plants

Question 20

Starch is found in:

Answer 20

root veggies

Question 21

Glycogen is found in:

Answer 21

animals (human livers)

Question 22

Starch and glycogen are polymers of _____

Answer 22

glucose

Question 23

you can/cannot use starch/glycogen enzymes to digst cellulose.

Answer 23

cannot

Question 24

Cellulose is usually located:

Answer 24

in the cell walls of plants

Question 25

DNA moves __ to __

Answer 25

5->3

Question 26

A binds to

Answer 26

T, U

Question 27

G binds to

Answer 27

C

Question 28

The components of a nucleotide are:

Answer 28

A phosphate connected to a nucleotide on the opposite of a base also attached to the nucleotide