Deck 4

Question 1

Fibronectin

Answer 1

• Extracellular glycoprotein.
• Bind to integrins, membrane-spanning receptor proteins

Question 2

Fibroin

Answer 2

• Silk protein created by spiders.
• They are rich in Ala and Gly residues

Question 3

Gastrin

Answer 3

• Peptide hormone.
• Secreted by gastric mucosa in the lining of the stomach.

Question 4

G-protein

Answer 4

• Guanosine nucleotide-binding protein.
• They can turn off themselves after being activated, and thereby serve as molecular binary switches

Question 5

Glycosylation

Answer 5

Enzymatic transfer of glucose to a protein

Question 6

Gastricsin

Answer 6

digestive enzyme
(acid endopeptidase present in the gastric juice)

Question 7

Glucagon

Answer 7

peptide hormone

Question 8

Immunoglobulin
(Gamma-globulin/Antibody)

Answer 8

• Protein used by the immune system.
• 5 types (IgE, IgA, IgG, IgM & IgD)

Question 9

Inhibitor

Answer 9

A substance (an effector) that cause decreased enzyme activity

Question 10

Isosteric enzyme

Answer 10

• Isoenzymes.
• Catalyze same reaction, but differ in their biochemical characterics, physico-chemical properties