Enzymes (B5)

Question 1

Catalyst

Answer 1

A molecule that speeds up the rate of a chemical reaction but is not itself changed by the reactions (enzymes are biological catalysts that are proteins)

Question 2

amylase

Answer 2

breaks down carbs (starch); found in saliva and small intestine

Question 3

pepsin

Answer 3

breaks down protein into amino acids (found in stomach)

Question 4

active site definition

Answer 4

the site on the enzyme where the reaction occurs

Question 5

lock and key hypothesis

Answer 5

the active site specifically matches the shape of the substrate molecule. The shape of the active site is complementary to the shape of the substrate

Question 6

optimum temp of enzyme?

Answer 6

40 degrees celcius