Chemical Reactions and Enzymes

Front

A process that changes one set of chemicals into a new set of chemicals.

Back

chemical reaction

Front

____ are the elements and compounds that go into a reaction.

Back

Reactants

Front

___ are the elements and compounds that are created by a reaction.

Back

Products

Front

The energy needed to start a reaction is called the

Back

activation energy

Front

A catalyst is an enzyme that

Back

Both speeds up the rate of a reaction and reduces the amount of energy needed for a reaction to start.

Front

Enzymes contain a(n) ___ where reactants can bond to react with each other.

Back

active site

Front

Once an enzyme has helped a reaction take place, it can then

Back

be reused for another reaction with the same reactants.

Front

Some factors can change the shape of an enzyme and when an enzyme's shape has changed it no longer works. When this happens we say that the enzyme has been ___.

Back

denatured

Front

Which of the following can cause a protein's shape to change? A) pH, B) high temperatures, Both A and B, Neither A nor B

Back

Both A and B

Front

Looking at the graph, how would you know which reaction took place with the help of an enzyme?

Back

The peak for the activation energy is lower.