Biomolecules and the Cell Quiz

Which biomolecule is the main source of energy for living organisms?

• carbohydrates

• nucleic acids

• lipids

• proteins

What is the function of lipids in the cell membrane?

• Lipids in the cell membrane help in cell communication.

• Lipids in the cell membrane store energy for the cell.

• Lipids in the cell membrane aid in cell division.

• Lipids in the cell membrane serve as a barrier and provide structural support.

What are the building blocks of proteins?

• carbohydrates

• lipids

• nucleic acids

• amino acids

Which biomolecule stores and transmits genetic information?

• DNA

• RNA

• Protein

• Carbohydrate

What is the role of enzymes in biological reactions?

• Enzymes act as catalysts in biological reactions.

• Enzymes have no role in biological reactions.

• Enzymes inhibit biological reactions.

• Enzymes are the end products of biological reactions.

Which biomolecule is composed of nucleotides?

• Lipids

• Carbohydrates

• Proteins

• DNA and RNA

What is the function of carbohydrates in the body?

• Carbohydrates provide energy for the body.

• Carbohydrates regulate body temperature.

• Carbohydrates aid in digestion.

• Carbohydrates help in muscle growth.

What are the two types of nucleic acids?

• Carbohydrate and Lipid

• DNA and RNA

• Protein and Lipid

• Protein and Carbohydrate

What is the primary function of proteins in the body?

• Proteins are responsible for storing and transmitting genetic information.

• Proteins help regulate body temperature.

• Proteins aid in the digestion and absorption of nutrients.

• Proteins serve as building blocks for cells, tissues, and organs.

Which biomolecule is insoluble in water?

• Lipids

• Carbohydrates

• Proteins

• Nucleic acids