Biological Macromolecules

Front

What are biological macromolecules?

Back

Biological macromolecules are large, complex molecules that are essential for life, including proteins, nucleic acids, carbohydrates, and lipids.

Front

Which of the following is NOT a biological macromolecule: proteins, nucleic acids, carbohydrates, or water?

Back

Water is NOT a biological macromolecule.

Front

What elements are nucleic acids composed of?

Back

Nucleic acids are composed of carbon (C), hydrogen (H), oxygen (O), nitrogen (N), and phosphorus (P).

Front

What macromolecule is primarily responsible for catalyzing biochemical reactions?

Back

Proteins, specifically enzymes, are primarily responsible for catalyzing biochemical reactions.

Front

What are the building blocks of proteins?

Back

The building blocks of proteins are amino acids.

Front

Why are macromolecules referred to as 'polymers'?

Back

Macromolecules are referred to as 'polymers' because they are large molecules made up of many smaller units called monomers.

Front

What is the primary function of carbohydrates in living organisms?

Back

The primary function of carbohydrates is to provide energy and serve as structural components.

Front

What are the two main types of nucleic acids?

Back

The two main types of nucleic acids are deoxyribonucleic acid (DNA) and ribonucleic acid (RNA).

Front

What role do lipids play in biological systems?

Back

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

Front

What is the difference between saturated and unsaturated fats?

Back

Saturated fats have no double bonds between carbon atoms, while unsaturated fats have one or more double bonds.