Biochemistry Test Review

Front

What are biomolecules essential to all living things composed of the elements C, H, O, and N?

Back

Proteins are biomolecules composed of the elements carbon (C), hydrogen (H), oxygen (O), and nitrogen (N).

Front

What is the primary function of carbohydrates?

Back

The primary function of carbohydrates is to provide instant energy.

Front

What happens to an enzyme when it is denatured?

Back

When an enzyme is denatured, it loses its shape and cannot function any longer.

Front

What is the function of proteins in the body?

Back

Proteins serve as the building blocks of the body, such as skin, hair, nails, and muscles.

Front

What question can be answered by testing an enzyme's activity at varying pH levels?

Back

The optimum pH of the enzyme being tested.

Front

What are the four main types of biomolecules?

Back

The four main types of biomolecules are carbohydrates, lipids, proteins, and nucleic acids.

Front

What is the role of lipids in living organisms?

Back

Lipids serve as long-term energy storage, insulation, and make up cell membranes.

Front

What are nucleic acids and their primary function?

Back

Nucleic acids, such as DNA and RNA, store and transmit genetic information.

Front

How do enzymes function as catalysts in biochemical reactions?

Back

Enzymes lower the activation energy required for reactions, speeding up the process.

Front

What factors can affect enzyme activity?

Back

Factors that can affect enzyme activity include temperature, pH, and substrate concentration.