3.6 Enzymes

Question 1

Define enzyme

Answer 1

A globular protein that increases the rate of a biochemical reaction by lowering the activation energy threshold (i.e. a biological catalyst)

Question 2

Define active site

Answer 2

The site on the surface of an enzyme which binds to the substrate molecule

Question 3

Define denaturation

Answer 3

Denaturation is a structural change in a protein that results in the loss (usually permanent) of its biological properties

Question 4

Name 2 things that can denature enzymes

Answer 4

Heat and pH