Lecture 2: Protein classification

Question 1

structural

Answer 1

help maintain the shape of a cell e.g keratin in hair and nails and collagen of bone

Question 2

enzymes or catalyc proteins

Answer 2

hexokinase and pepsin

Question 3

transport

Answer 3

hemoglobin and serum albumin

Question 4

hormonal proteins

Answer 4

insulin and growth hormone

Question 5

contractile proteins

Answer 5

actin and myosin

Question 6

storage proteins

Answer 6

ovalbumin and glutelin

Question 7

genetic proteins

Answer 7

nucleoproteins

Question 8

defense proteins

Answer 8

immunoglobins and snake venom

Question 9

receptor proteins

Answer 9

for hormones and viruses (CD4, CCR5, CXR4 for Hiv)

Question 10

simple proteins

Answer 10

composed of only amino acid residues

Question 11

conjugated proteins

Answer 11

besides amino acids they also have non-protein moeity(prosthetic group)

Question 12

derived proteins

Answer 12

are denatured or degraded products of simple and conjugated proteins