PROTEINS

Question 1

Protein

Answer 1

large polymer of amino acids
form structural components.
adapt specific shape 4 proteins

Question 2

structure

Answer 2

contains C, H, O, N.
joined by covalent bonds

Question 3

peptide bonda

Answer 3

joined by covalent bonds, involving condensation.
breaking includes hydrolysic

Question 4

dipeptide

Answer 4

2 aamino acids

Question 5

Polypeptide

Answer 5

more aamino acids

Question 6

primary structure

Answer 6

sequence of aamino acids. THIS MAKES THE FUNCTION.

Question 7

secondary structure

Answer 7

twists into shape.
some coil to alpha, which held by hydrogen.
some to zig zag-beta

Question 8

tertiary structure

Answer 8

coiled aamino acids coiled together.
more bonds form
single strand turn to final shape;.

Question 9

Quaternary

Answer 9

multiple chains are arranged.

Question 10

ionic bonds

Answer 10

attraction of neg r groups and pos r groups.

Question 11

disulfide bonds

Answer 11

cysteine- sulfur bonds with other Sulfur.

Question 12

hydrophobic

Answer 12

clump together

Question 13

hydrophilic

Answer 13

push protein outside.

Question 14

hydrogen bonds

Answer 14

slightly neg and slightly pos bond together.p

Question 15

bonds

Answer 15

primary=peptide
secondary=hydrogen bonding

Question 16

globular proteins

Answer 16

r groups outside.
hydrophobic turned inwards.
soluble, as water easy clusters and binds.

Question 17

hameglobin

Answer 17

globular.
carrys o2 from lungs to tissues.
binds to haem, which turns to red.

Question 18

globular protein examples

Answer 18

insluin
pepsin

Question 19

fibrous proteins

Answer 19

regular, repetitive sequence of aamino acids.
insoluble
form fibres=structural.fi

Question 20

collagen

Answer 20

mechanical strength, preventing aerty to burst.

Question 21

keratin

Answer 21

strong h2 bonding and disulfide bonds.
HARD and STRONG.

Question 22

Elastin

Answer 22

helps blood vessels to strech