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Practice Questions

A solution with a pH of 7.0 is considered:

A. Acidic
B. Neutral ✓
C. Basic (alkaline)
D. Highly acidic
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nmdcat.online Bio chemistry for nurses
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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nmdcat.online Bio chemistry for nurses
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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nmdcat.online Bio chemistry for nurses
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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nmdcat.online Bio chemistry for nurses
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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nmdcat.online Bio chemistry for nurses
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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nmdcat.online Bio chemistry for nurses
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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nmdcat.online Bio chemistry for nurses
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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nmdcat.online Bio chemistry for nurses
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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nmdcat.online Bio chemistry for nurses
Jun 6, 2026

A competitive inhibitor’s effect on an enzyme can typically be overcome by:

A. Increasing temperature.
B. Decreasing substrate concentration.
C. Increasing substrate concentration. ✓
D. Decreasing enzyme concentration.
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nmdcat.online Bio chemistry for nurses
Jun 6, 2026
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