Chemistry of Life

Front

__________ are organic compounds that are good sources of energy. They contain carbon, hydrogen, and oxygen.

Back

Carbohydrates

Front

What subatomic particles are found in the nucleus and have a positive charge?

Back

Protons

Front

Ion is an atom that has gained or lost one or more electron. True or False?

Back

True

Front

The nucleus of an atom is composed of:

Back

Protons / Neutrons

Front

A single subunit of a biomolecule is called a polymer, while a group of subunits of a biomolecule is called a monomer. True or False?

Back

False

Front

What are the three main types of macromolecules essential for life?

Back

Carbohydrates, Proteins, Nucleic Acids

Front

What is the basic unit of life?

Back

Cell

Front

What is the role of enzymes in biochemical reactions?

Back

Enzymes act as catalysts to speed up chemical reactions.

Front

What is the pH scale used for?

Back

The pH scale measures the acidity or basicity of a solution.

Front

What are lipids primarily used for in living organisms?

Back

Lipids are used for long-term energy storage and make up cell membranes.