Unit 1: Protein Booklet Word Bank

Question 1

Optimum conditions

Answer 1

When an enzyme is most active

Question 2

Hormone

Answer 2

A protein that is released from one part of the body that affects another part of the body.

Question 3

Degradation

Answer 3

Group of enzymes which break down large molecules into smaller ones (e.g. amylase and catalase)

Question 4

Substrate

Answer 4

Substance(s) that bind to an enzyme at the active site and is changed by the reaction

Question 5

Antibody

Answer 5

Y-shaped protein that binds specifically to viruses and bacteria in our body. Part of our immune system.

Question 6

Denatured

Answer 6

When the shape of the active site of an enzyme is altered make the enzyme no longer able to carry out it’s chemical reaction.

Question 7

Enzyme

Answer 7

A protein catalyst; they speed up chemical reactions without being changed

Question 8

Product

Answer 8

Substance(s) that are released from the active site at the end of a reaction

Question 9

Complementary

Answer 9

The way a substrate fits into the enzyme’s active site.

Question 10

Synthesis

Answer 10

Group of enzymes that turn small molecules into larger ones (e.g. phosphorylase)

Question 11

Specific

Answer 11

The ability of an enzyme to speed up only one type of reaction

Question 12

Lock and key

Answer 12

Model used to describe how enzymes work

Question 13

Active site

Answer 13

Part of enzyme that is complementary to it’s substate