Macromolecules Quiz

What is the main function of carbohydrates in living organisms?

• Regulating body temperature

• Primary source of energy

• Producing antibodies

• Building muscle mass

Which macromolecule is the primary component of cell membranes?

• Phospholipids

• Carbohydrates

• Proteins

• Nucleic acids

What are the building blocks of proteins?

• Nucleotides

• Carbohydrates

• Amino acids

• Fatty acids

Which macromolecule stores genetic information in cells?

• DNA

• RNA

• Protein

• Lipid

What is the monomer of nucleic acids?

• Nucleotides

• Lipids

• Carbohydrates

• Amino acids

What type of bond connects monomers in carbohydrates?

• Glycosidic bonds

• Ionic bonds

• Covalent bonds

• Peptide bonds

What is the function of lipids in the body?

• Lipids are harmful to health

• Lipids are only used for energy storage

• Lipids provide energy, aid in vitamin absorption, insulate the body, and are crucial for cell structure.

• Lipids have no role in the body

What are the three elements found in carbohydrates?

• Carbon, Hydrogen, Oxygen

• Nitrogen, Hydrogen, Oxygen

• Carbon, Hydrogen, Nitrogen

• Carbon, Nitrogen, Phosphorus

What is the structure of a lipid molecule?

• Lipid molecules consist of only fatty acid chains.

• Lipid molecules have a protein backbone and carbohydrate chains.

• Lipid molecules are composed of nucleic acids.

• Lipid molecules have a glycerol backbone and fatty acid chains.

What is the primary function of proteins in the body?

• Building blocks for tissues, enzymes for chemical reactions, and antibodies for immune response

• Storage of excess glucose

• Regulation of body temperature

• Transportation of oxygen in the blood