Unit 1 Test

Question 1

Cohesive bonds

Answer 1

Between same molecules

Question 2

Adhesive attraction

Answer 2

Between different substances

Question 3

Hydroxyl Group

Answer 3

OH, Alchols

Question 4

Carbonyl Group

Answer 4

C double bond O

Question 5

Carboxyl Group

Answer 5

Acidic, makes up on end of an amino acid. C double bond O and C single bond OH

Question 6

Amino Group

Answer 6

Acts as a bse, can pick up H+ from surroundings. (N single bond H) ×2

Question 7

Sulfhydryl Group

Answer 7

Covalent bond, stabilize protein, cause curly hair. -SH

Question 8

Phosphate Group

Answer 8

Contributes negative charges to molecules
O
||
O- – P – O-
|
O -

Question 9

Methyl Group

Answer 9

Added to DNA, affects expression of genes, only non polar functional group

Question 10

Molecules of Life

Answer 10

Macromolecules

Question 11

4 major classes of macromolecules

Answer 11

Carbohydrates, Lypids, Nucleic Acids, Proteins

Question 12

Lipids

Answer 12

Don’t form polymers, hydrophobic, most important of them are fats

Question 13

Primary Structure

Answer 13

Chain of amino acids, one - by - one - by - one, alpha helix fold

Question 14

Secondary Structure

Answer 14

Start to fold, beta fold

Question 15

Tertiary structure

Answer 15

3 dimensional folding

Question 16

Quaternary structure

Answer 16

several protein chains into a closely packed arrangement

Question 17

Central Dogma of Biology

Answer 17

(DNA) > RNA > Protein

Question 18

C 30%

Answer 18

G 30%

Question 19

G 30%

Answer 19

C 30%

Question 20

T 20%

Answer 20

A 20%

Question 21

A 20%

Answer 21

T 20%

Question 22

Deoxyribose sugar

Answer 22

DNA

Question 23

Ribose Sugar

Answer 23

RNA

Question 24

Self Replicate

Answer 24

DNA

Question 25

Cannot Self Replicate

Answer 25

RNA

Question 26

2nd H Base

Answer 26

DNA

Question 27

2nd OH Base

Answer 27

RNA

Question 28

Hexagon or pentagon shape

Answer 28

Carbohydrates

Question 29

Polar Phosphate head with fatty acid tails

Answer 29

Lipids

Question 30

Central carbon with in amino acids

Answer 30

Proteins

Question 31

Peptide bond

Answer 31

Proteins

Question 32

1 phosphate, sugar, nitrogenous base

Answer 32

Nucleic Acids

Question 33

Change in DNA can cause…

Answer 33

A change in protein folding/improper protein folding

Question 34

DNA is Anti Parallel, so if one end is OH then the other strand end is…

Answer 34

a phosphate

Question 35

DNA is Anti Parallel, so if one end is a Phosphate then the other strand end is…

Answer 35

an OH group

Question 36

Saturated Fats

Answer 36

have the maximum amount of carbon hydrogen bonds