BIO CH5

What best describes the conservation of energy?

Energy cannot be created or destroyed, only changed.

What form of energy does a diver convert chemical energy into while climbing a ladder?

Kinetic and potential energy.

Why are enzymes considered biological catalysts?

They speed up reactions without being used up.

What does the induced-fit model explain?

Enzymes change shape to fit the substrate.

What best represents competitive inhibition?

An inhibitor binds to the enzyme's active site.

Which process does NOT require ATP?

Diffusion.

In diffusion, what happens to particles?

They move until equilibrium is reached.

How do diffusion and facilitated diffusion compare?

Facilitated diffusion uses proteins, diffusion does not.

What does osmosis refer to the movement of?

Water.

What happens to an animal cell in a hypertonic solution?

It shrinks.

Which cell structure prevents plant cells from bursting in hypotonic solutions?

Cell wall.