Front

What are the four main types of macromolecules found in organisms?

Back

Carbohydrates, lipids, nucleic acids, and proteins.

Front

What is the primary function of proteins in a cell?

Back

Proteins perform the 'work' needed for a cell, including catalyzing reactions, transporting molecules, and providing structural support.

Front

Which macromolecule serves as a short-term energy source for organisms?

Back

Carbohydrates.

Front

What is a key function of carbohydrates besides providing energy?

Back

Carbohydrates also play a role in cell recognition and signaling.

Front

What is the role of lipids in biological systems?

Back

Lipids serve as long-term energy storage, make up cell membranes, and act as signaling molecules.

Front

What is the function of nucleic acids in cells?

Back

Nucleic acids store and transmit genetic information.

Front

Which macromolecule is primarily responsible for muscle contraction?

Back

Proteins.

Front

What is NOT a function of proteins?

Back

Storing and transmitting heredity.

Front

How do enzymes, which are proteins, function in biological reactions?

Back

Enzymes act as catalysts to speed up chemical reactions without being consumed in the process.

Front

What are the building blocks of proteins?

Back

Amino acids.