Biological Molecules Quiz

Which biological molecule category is primarily responsible for catalyzing biochemical reactions?

• Lipids

• Proteins

• Carbohydrates

• Nucleic Acids

What is the general formula for monosaccharides?

• Cx(H2O)x

• Cx(H2O)2xH

• CxN(H2O)x2

• Cx(H2O)3x

Monosaccharides are the monomers of which larger biological molecules?

• Proteins

• Lipids

• Carbohydrates

• Nucleic acids

What is the main function of monosaccharides in the body?

• Building muscle

• Storing genetic information

• Providing immediate energy

• Forming cell membranes

What type of bond is responsible for the solubility of monosaccharides in water?

• Ionic bonds

• Covalent bonds

• Polar -OH groups

• Hydrogen bonds

Which of the following is NOT a disaccharide?

• Sucrose

• Maltose

• Lactose

• Glucose

Which of the following is a characteristic of disaccharides?

• Insoluble in water

• Soluble in water

• Non-polar

• Hydrophobic

Which polysaccharide is used for energy storage in plants?

• Starch (amylose)

• Cellulose

• Glycogen

• Chitin

Which polysaccharide is found in the plant cell wall?

• Cellulose

• Glycogen

• Starch

• Amylose

Which lipid is a major component of animal cell membranes?

• A free fatty acid

• A triglyceride

• Cholesterol

• A phospholipid