MOLECULES OF LIFE (2023/2024)

Which statement is NOT a property of water?

• Water has its maximum density at 0 degree Celcius.

• Water is a universal solvent due to its polarity.

• Water has high specific heat capacity.

• Water has high latent heat of vaporization.

Which pair is MISMATCHED?

• Monosaccharide: Maltose

• Disaccharide: Sucrose

• Polysaccharide: Cellulose

• None of these pairs are correctly matched.

Which of these terms is most INCLUSIVE?

• Monosaccharide

• Polysaccharide

• Disaccharide

• Carbohydrate

Which of the following is TRUE about carbohydrates?

• All monosaccharides soluble in water

• Sucrose and lactose are example of polysaccharides.

• Polysaccharides function as long-term storage molecules.

• A disaccharide contains two monosaccharides that are joined through hydrolysis reaction.

Carbohydrate molecules ...

• serve as structural components of human cell walls.

• form the regulatory compounds known as enzymes.

• are a source of energy.

• contain the genetic information of a cell and help protect vital organs from damage.

Which of the following is the storage carbohydrate found in potato tuber?

• Sucrose

• Starch

• Glucose

• Fructose

The process illustrated in the figure is called ...

• condensation.

• protein synthesis.

• hydrolysis.

• denaturation.

The products of the process in the accompanying figure are ...

• amino acids.

• molecules of glycerol.

• representative of a glycosidic linkage.

• monosaccharides.

Which one of the following carbohydrates is the MOST structurally complex?

• Sucrose

• Fructose

• Cellulose

• Glucose

Which of the following illustrates hydrolysis?

• The reaction of two monosaccharides to form a disaccharide.

• The reaction of two amino acids to form a dipeptide.

• The reaction of a hydrogen atom and a hydroxide ion to from water.

• The reaction of a fat to form glycerol and fatty acids.