Biochemistry KEYSTONE Questions

Front

What is the function of the waxy coating on plant leaves?

Back

The waxy coating is a lipid that helps prevent excess water loss in dry environments.

Front

What type of macromolecules are RNA and DNA?

Back

RNA and DNA are nucleic acids.

Front

What is the most important element that serves as the backbone of all biological molecules?

Back

Carbon is the most important element that serves as the backbone of all biological molecules.

Front

How do enzymes affect biological reactions?

Back

Enzymes can increase the reaction rate when the specific enzyme for a biological reaction is present.

Front

What is the process of protein formation?

Back

Amino acids combine to form a protein chain.

Front

What are the building blocks of proteins?

Back

Amino acids are the building blocks of proteins.

Front

What is the role of lipids in biological systems?

Back

Lipids serve as energy storage, structural components of cell membranes, and signaling molecules.

Front

What is the primary function of carbohydrates in living organisms?

Back

Carbohydrates provide energy and serve as structural components.

Front

What is the difference between DNA and RNA?

Back

DNA is double-stranded and contains thymine, while RNA is single-stranded and contains uracil.

Front

What is the role of enzymes in metabolic pathways?

Back

Enzymes act as catalysts to speed up chemical reactions in metabolic pathways.