Chemistry of Life

Front

What are the six common elements necessary for life?

Back

SPONCH: Sulfur, Phosphorus, Oxygen, Nitrogen, Carbon, Hydrogen.

Front

What is the basic unit of any molecule?

Back

Element.

Front

Which of the following is not an essential element for life: carbon, helium, oxygen, nitrogen?

Back

Helium.

Front

What is glycogen used for in animals?

Back

Food storage.

Front

What is cellulose used for in plants?

Back

Structural support (stems, leaves).

Front

What is the pH of an acid?

Back

A substance with a pH less than 7.

Front

What is the pH of a base?

Back

A substance with a pH greater than 7.

Front

What is a polymer?

Back

A large molecule made up of repeating units called monomers.

Front

What is a monomer?

Back

The basic building block of polymers.

Front

What is the role of enzymes in biological reactions?

Back

Enzymes act as catalysts to speed up chemical reactions.