Self-test questions: Chapter 03

. Carbohydrates are broken down to provide energy for cellular reactions.

True

False

. Starch is the body's main store of carbohydrate.

True

False

. Sucrose is a monosaccharide

True

False

. Glycoproteins are combinations of carbohydrates and proteins that are important structural components of connective tissues.

True

False

. Triglycerides are the body's major reserve of energy.

True

False

. Lipids are insoluble in water (hydrophobic).

True

False

. Palmitic acid is an essential fatty acid.

True

False

. Cholesterol is a major constituent of cell membranes

True

False

. Proteins are made from many amino acids linked together by peptide bonds.

True

False

. A tripeptide has two peptide bonds.

True

False

. All proteins are freely soluble in water.

True

False

. Proteins that catalyse the chemical reactions of cells are called enzymes

True

False

. Nucleotides consist of a pyrimidine base linked to a phosphate group.

True

False

. RNA contains ribose, which is a monosaccharide with five carbon atoms.

True

False

. DNA and RNA are built from the same bases but are combined with different sugars.

True

False

. Some nucleotides can act as coenzymes in cellular metabolism.

True

False

. RNA only differs from DNA in having a single polynucleotide chain.

True

False

. Carbohydrates are broken down to provide energy for cellular reactions.

True

False

. Starch is the body's main store of carbohydrate.

True

False

. Sucrose is a monosaccharide

True

False

. Glycoproteins are combinations of carbohydrates and proteins that are important structural components of connective tissues.

True

False

. Triglycerides are the body's major reserve of energy.

True

False

. Lipids are insoluble in water (hydrophobic).

True

False

. Palmitic acid is an essential fatty acid.

True

False

. Cholesterol is a major constituent of cell membranes

True

False

. Proteins are made from many amino acids linked together by peptide bonds.

True

False

. A tripeptide has two peptide bonds.

True

False

. All proteins are freely soluble in water.

True

False

. Proteins that catalyse the chemical reactions of cells are called enzymes

True

False

. Nucleotides consist of a pyrimidine base linked to a phosphate group.

True

False

. RNA contains ribose, which is a monosaccharide with five carbon atoms.

True

False

. DNA and RNA are built from the same bases but are combined with different sugars.

True

False

. Some nucleotides can act as coenzymes in cellular metabolism.

True

False

. RNA only differs from DNA in having a single polynucleotide chain.

True

False

Self-test questions: Chapter 03

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