Practice Questions

A patient with a genetic defect in their ability to synthesize certain nucleotide bases may have impaired DNA replication and cell division. The primary building blocks of DNA are:

A. Amino acids

B. Monosaccharides

C. Nucleotides ✓

D. Fatty acids

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Jun 6, 2026

A solution with a pH of 7.0 is considered:

A. Acidic

B. Neutral ✓

C. Basic (alkaline)

D. Highly acidic

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Jun 6, 2026

A specific type of protein that functions as an intracellular or extracellular signal, influencing the activity of target cells, is a(n):

A. Enzyme

B. Structural protein

C. Hormone ✓

D. Transport protein

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Jun 6, 2026

The process of glucose being synthesized from glycogen is known as:

A. Glycolysis

B. Glycogenolysis

C. Glycogenesis ✓

D. Gluconeogenesis

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Jun 6, 2026

A patient presents with generalized edema due to low plasma protein levels. This illustrates the importance of proteins in maintaining:

A. Blood clotting.

B. Oxygen transport.

C. Osmotic pressure and fluid balance. ✓

D. Immune response.

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Jun 6, 2026

The minimum amount of energy required to initiate a chemical reaction is called the:

A. Free energy

B. Activation energy ✓

C. Binding energy

D. Kinetic energy

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Jun 6, 2026

The type of bond that connects glycerol to fatty acids in a triglyceride is an:

A. Peptide bond

B. Glycosidic bond

C. Ester bond ✓

D. Hydrogen bond

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Jun 6, 2026

A patient with a genetic condition impacting the production of a particular enzyme involved in the synthesis of a non-essential amino acid may still be able to obtain it from their diet. This highlights the concept of:

A. Essential nutrients. ✓

B. Nutritional redundancy.

C. Dietary flexibility.

D. Metabolic adaptation.

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Jun 6, 2026

A molecule that acts as a reducing agent in biochemical reactions (donates electrons) is said to be:

A. Oxidized ✓

B. Reduced

C. Hydrolyzed

D. Phosphorylated

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Jun 6, 2026

The structural carbohydrate that provides rigidity to the cell walls of plants and is a component of dietary fiber is:

A. Starch

B. Glycogen

C. Cellulose ✓

D. Lactose

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Jun 6, 2026

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Practice Questions

A patient with a genetic defect in their ability to synthesize certain nucleotide bases may have impaired DNA replication and cell division. The primary building blocks of DNA are:

A solution with a pH of 7.0 is considered:

A specific type of protein that functions as an intracellular or extracellular signal, influencing the activity of target cells, is a(n):

The process of glucose being synthesized from glycogen is known as:

A patient presents with generalized edema due to low plasma protein levels. This illustrates the importance of proteins in maintaining:

The minimum amount of energy required to initiate a chemical reaction is called the:

The type of bond that connects glycerol to fatty acids in a triglyceride is an:

A patient with a genetic condition impacting the production of a particular enzyme involved in the synthesis of a non-essential amino acid may still be able to obtain it from their diet. This highlights the concept of:

A molecule that acts as a reducing agent in biochemical reactions (donates electrons) is said to be:

The structural carbohydrate that provides rigidity to the cell walls of plants and is a component of dietary fiber is:

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