Chemical Reactions and Enzymes

Front

What is a substance called if it speeds up a chemical reaction?

Back

Catalyst

Front

In the chemical equation Na + Cl ---> NaCl, what is the product?

Back

NaCl

Front

What is the term for the region on an enzyme where the substrate binds?

Back

Active site

Front

What happens when enzymes are heated to a high temperature?

Back

The shape of the enzyme changes and it denatures.

Front

What kind of reaction releases energy?

Back

Exothermic

Front

What is the role of enzymes in chemical reactions?

Back

Enzymes act as catalysts to speed up reactions without being consumed.

Front

What is a substrate in the context of enzyme activity?

Back

The substance on which an enzyme acts.

Front

What is denaturation in relation to enzymes?

Back

Denaturation is the process where an enzyme loses its functional shape due to external stress, such as heat.

Front

What is an endothermic reaction?

Back

A reaction that absorbs energy from its surroundings.

Front

What is an exothermic reaction?

Back

A reaction that releases energy to its surroundings.