Biological Macromolecules Quiz

What are the three key groups of biological macromolecules mentioned in the document?

• Proteins, carbohydrates, and lipids

• Proteins, nucleic acids, and vitamins

• Carbohydrates, vitamins, and minerals

• Lipids, nucleic acids, and minerals

What is the role of hydrogen bonding in water molecules?

• It allows water to act as a solvent, transport medium, and coolant

• It makes water a solid at room temperature

• It prevents water from forming hydrogen bonds

• It causes water to evaporate quickly

Which elements are found in carbohydrates?

• C, H, and O

• C, H, O, and N

• C, H, O, and S

• C, H, O, and P

What is the difference between a hexose and a pentose monosaccharide?

• Hexose has six carbon atoms, pentose has five

• Hexose has five carbon atoms, pentose has six

• Hexose is a protein, pentose is a lipid

• Hexose is a lipid, pentose is a protein

Which disaccharides are mentioned in the document?

• Sucrose, lactose, and maltose

• Glucose, fructose, and galactose

• Ribose, deoxyribose, and sucrose

• Lactose, ribose, and glucose

What is the structural difference between α-glucose and β-glucose?

• The position of the hydroxyl group on the first carbon

• The number of carbon atoms

• The presence of a phosphate group

• The presence of a nitrogen atom

What are the chemical elements that make up proteins?

• C, H, O, N, and S

• C, H, and O

• C, H, O, and P

• C, H, O, and N

What is the importance of condensation and hydrolysis reactions in biological molecules?

• They are involved in the formation and breakdown of polymers

• They prevent the formation of polymers

• They only occur in non-living organisms

• They are not important in biological molecules

What is the role of water in living organisms as mentioned in the document?

• Solvent, transport medium, coolant, and habitat

• Only as a solvent

• Only as a coolant

• Only as a habitat

Which molecules are involved in the structure of starch?

• Amylose and amylopectin

• Glucose and fructose

• Ribose and deoxyribose

• Sucrose and lactose