Quiz 2: Macromolecules

Question 1

Structure of RNA

Composed of _______ polynucleotide strand

Answer 1

single

Question 2

The linear chain of amino acids folds into a ___

Answer 2

3D Structure

Question 3

Where is Thymine found?

Answer 3

DNA

Question 4

Nucleic acid ends:

5’

Answer 4

phosphate group

Question 5

Hemoglobin __ polypeptides

Answer 5

4

Question 6

Possible Interactions Between R Groups:

Ionic interactions are between ___ R groups

Answer 6

Charged

Question 7

Which chemical group makes basic?

Answer 7

Amino group

Question 8

Carries information from DNA to protein

Answer 8

RNA

Question 9

Structure Level:

Peptide Bonds

Answer 9

Primary

Question 10

Structure of DNA

2 polynucleotide strands form a ____

Answer 10

Double helix

Question 11

Structural proteins are ____

Answer 11

Fibrous

Question 12

Possible Interactions Between R Groups:

H-bonds are between ____ R groups

Answer 12

Polar R groups

Question 13

Protein 3D structure determines ___

Answer 13

Function

Question 14

List pyrimidines

Answer 14

Cytosine, Thymine, Uracil

Question 15

Where is Uracil found?

Answer 15

RNA

Question 16

Which chemical group makes acidic?

Answer 16

Carboxyl group

Question 17

Which amino acid is most likely to be found at the center of a protein, buried away from the edges?

Answer 17

non-polar

Question 18

Proteins have ___ ends

Answer 18

2

Question 19

Carboxyl end

Answer 19

C terminus

Question 20

Secondary structure types of regional structures

Answer 20

Alpha helix

Beta sheet

Question 21

Some conditions can cause a protein to unfold and lose function: ______________

Answer 21

Denatured

Question 22

Amino acids are joined by a __________ bond

Answer 22

Peptide bond

Question 23

What kind of interactions can charged R groups make?

Answer 23

Ionic

Question 24

Which can be broken by heat?

Hydrogen Bonds or Disulfide Bonds

Answer 24

Hydrogen Bonds

Question 25

Structure Level: Interactions between R groups

Answer 25

Tertiary

Question 26

List Purines

Answer 26

Deoxyribose, ribose, adenine, guanine, purines

Question 27

Structure Level: Aggregations between polypeptides

Answer 27

Quaternary

Question 28

Deoxyribonucleic acid

Answer 28

DNA

Question 29

Possible Interactions Between R Groups: Hydrophobis interactions are between ___ R groups

Answer 29

Non-polar R groups

Question 30

Quaternary Structure: Interactions between 2 or more ___

Answer 30

polypeptide chains

Question 31

RNA

Answer 31

Ribonucleic acid

Question 32

Secondary structure is dependent upon _____ within backbone

Answer 32

Hydrogen bonding

Question 33

Structure of DNA Consists of _____ polynucleotide strands

Answer 33

2

Question 34

Surrounding water causes non-polar R-groups to be where in the tertiary structure?

Answer 34

In the middle

Question 35

Primary structure is held together by ____

Answer 35

Peptide Bonds

Question 36

____ stores instructions for making proteins

Answer 36

DNA

Question 37

Enzymes structures are ____

Answer 37

Globular

Question 38

Amino end

Answer 38

N terminus

Question 39

Collagen __ polypeptides

Answer 39

3

Question 40

Peptide bonds form a ____ | eventually becomes a protein

Answer 40

Polypeptide chain

Question 41

Nucleic acid ends: 3'

Answer 41

hydroxyl group

Question 42

What are protein monomers?

Answer 42

Amino Acids

Question 43

Structure Level: Hydrogen bonds between constituents of the polypeptide backbone

Answer 43

Secondary

Question 44

Tertiary Overall 3D shape of a single polypeptide depends on interactions between ____

Answer 44

R groups

Question 45

Which can be broken chemically? Hydrogen Bonds or Disulfide Bonds

Answer 45

Disulfide Bonds

Question 46

Possible Interactions Between R Groups: Disulfide bridges are between ___ R groups

Answer 46

Cystine

Question 47

All proteins display ____, ___, and ___ structure.

Answer 47

Primary, secondary, tertiary

Question 48

How many varieties of amino acids?

Answer 48

20

Question 49

____ structure forms the final protein.

Answer 49

Quaternary

Question 50

_______: large protein complexes that help proteins fold in the cell

Answer 50

Chaperones

Question 51

Nucleic acid monomer?

Answer 51

Nucleotide

Question 52

Nucleotides are joined by a ____ bond

Answer 52

phosphodiester