N5 Proteins CLARK

A protein which is involved in defence against microorganisms.

• Hormone

• Antibody

• Enzyme

• Receptor

A protein which speeds up chemical reactions.

• Antibody

• Enzyme

• Hormone

• Receptor

A protein found within cell membranes, providing support.

• Antibody

• Enzyme

• Hormone

• Structural

A surface protein which allows a cell to recognise specific substances.

• Antibody

• Hormone

• Receptor

• Enzyme

Each different enzyme works on only one substrate.

• Specific

• Optimum

• Catalyst

• Complex

The conditions in which an enzyme is most active.

• Active site

• Catalyst

• Optimum

• pH

Which of these is NOT a property of an enzyme?

• Speed up chemical reactions

• Unchanged in a reaction

• Biological catalysts

• Biodegradable

The substance on which an enzyme works....

• Substance

• Substrate

• Specific

• Complex

Enzymes build-up small substrates into large products.

• Degradation

• Synthesis

• Denaturation

• Optimum

Enzymes break down large substrates into small products

• Degradation

• Synthesis

• Denaturation

• Optimum