Proteins

Question 1

protein

Answer 1

polymer made by a set of 20 amino acids linked by peptide bond

Question 2

hemoglobin

Answer 2

transport : carry substance in blood

Question 3

albumin (egg white)

Answer 3

transport : carry substance in blood

storage : provide nourishement in early developement of embryo

Question 4

actin

Answer 4

structure : construct different structure

contractile : effect on muscules contraction

Question 5

tubulin

Answer 5

structure : construct different structure

Question 6

keratin

Answer 6

structure : construct different structure

Question 7

insulin

Answer 7

hormones : coordinate activity of different body system

Question 8

thyroxin

Answer 8

hormones : coordinate activity of different body system

Question 9

immunoglobulin

Answer 9

defense : protect body from pathogens

Question 10

myosin

Answer 10

contractile : effect on muscules contraction

Question 11

amylose

Answer 11

digestive enzymes : help in digestion of food

Question 12

lipase

Answer 12

digestive enzymes : help in digestion of food

Question 13

pepsin

Answer 13

digestive enzymes : help in digestion of food

Question 14

trypsin

Answer 14

digestive enzymes : help in digestion of food

Question 15

primary structure

Answer 15

sequence of amino acids

Question 16

secondary structure

Answer 16

regions stabilized by H bonds between atoms of the polypeptide backbone

Question 17

tertiary structure

Answer 17

three-dimensional shape stabilized by interactions between side chains

Question 18

quarternary structure

Answer 18

association of 2 or more polypeptide (some)

Question 19

amino acids structure

Answer 19

center : alpha carbon
1/4 : amino group
2/4 : carboxyl group
3/4 : R group
4/4 : Hydrogen atom