Chapter 3

Question 1

Dehydration synthesis

Answer 1

Removal of water; monomers are joined to form polymers

Question 2

Hydrolysis

Answer 2

Addition of water; polymers are broken into monomers

Question 3

Polymers

Answer 3

Build by linking monomers

Question 4

Monomers

Answer 4

Small, similar chemical units

Question 5

Disaccharides

Answer 5

2 monosaccharides linked by dehydration synthesis; sugar transport & energy storage

Question 6

Polysaccharides

Answer 6

long chains of monosaccharides; linked by dehydration synthesis; energy storage

Question 7

ATP

Answer 7

Energyy

Question 8

Are proteins polymers or monomers?

Answer 8

Polymers

Question 9

Are amino acids polymers or monomers?

Answer 9

Monomers

Question 10

Peptide bond

Answer 10

Animo acids joined by dehydration synthesis

Question 11

Base pairing rules

Answer 11

A with T (or U in RNA)

C with G (Cat with Gato)

Question 12

Phospholipids

Answer 12

Forms all biological membranes

Question 13

Denaturation

Answer 13

Protein loses structure and function; Can be reversible; pH,temp,ionic concentration

Question 14

Motifs

Answer 14

Determines the function of unknown proteins; seen in polypeptides

Question 15

Domains

Answer 15

Functional units within a larger structure

Question 16

Primary structure

Answer 16

Sequence of amino acids

Question 17

Secondary structure

Answer 17

interaction of groups in the peptide backbone (helix [called spiral], sheet[planar structure])

Question 18

Tertiary structure

Answer 18

Final folded shape of a globular protein; 1 polypeptide chain

Question 19

Quaternary structure

Answer 19

Arrangement of individual chains in a protein; 2 or more polypeptide chains