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BS Nursing

5385 questions found

Practice Questions

The primary structure of a protein is defined by its:

A. Alpha-helix and beta-sheet content.
B. Three-dimensional folding.
C. Amino acid sequence.
D. Arrangement of multiple subunits.
nmdcat.online Bio chemistry for nurses
Jun 6, 2026

A patient with hypoventilation (slow, shallow breathing) may develop:

A. Respiratory alkalosis
B. Metabolic acidosis
C. Respiratory acidosis
D. Metabolic alkalosis
nmdcat.online Bio chemistry for nurses
Jun 6, 2026
nmdcat.online Bio chemistry for nurses
Jun 6, 2026

The central dogma of molecular biology describes the flow of genetic information in cells as:

A. Protein ? DNA ? RNA
B. RNA ? DNA ? Protein
C. DNA ? RNA ? Protein
D. Protein ? RNA ? DNA
nmdcat.online Bio chemistry for nurses
Jun 6, 2026

A deficiency in Folic Acid can lead to megaloblastic anemia. Folic acid is a crucial vitamin for:

A. Blood clotting
B. DNA synthesis and cell division
C. Vision
D. Bone health
nmdcat.online Bio chemistry for nurses
Jun 6, 2026

The specific region on an enzyme where the substrate binds and catalysis occurs is called the:

A. Allosteric site
B. Regulatory site
C. Active site
D. Binding domain
nmdcat.online Bio chemistry for nurses
Jun 6, 2026

The enzyme that catalyzes the breaking of a substrate by adding water is known as a(n):

A. Ligase
B. Isomerase
C. Hydrolase
D. Transferase
nmdcat.online Bio chemistry for nurses
Jun 6, 2026

A clinical assay measures the concentration of hydrogen ions in a solution. A solution with a low pH (e.g., pH 2) has a:

A. Low concentration of hydrogen ions
B. High concentration of hydrogen ions
C. Neutral concentration of hydrogen ions
D. No hydrogen ions
nmdcat.online Bio chemistry for nurses
Jun 6, 2026

A deficiency in Vitamin B12 (Cobalamin) can lead to megaloblastic anemia and neurological problems. Vitamin B12 is essential for:

A. Collagen synthesis
B. Red blood cell maturation and nervous system function
C. Vision
D. Calcium absorption
nmdcat.online Bio chemistry for nurses
Jun 6, 2026

The process of glucose phosphorylation, the first step in glycolysis, is catalyzed by:

A. Pyruvate kinase
B. Hexokinase
C. Phosphofructokinase
D. Aldolase
nmdcat.online Bio chemistry for nurses
Jun 6, 2026
nmdcat.online Bio chemistry for nurses
Jun 6, 2026
nmdcat.online Bio chemistry for nurses
Jun 6, 2026

A mutation in the DNA sequence leads to a change in a single amino acid in the protein sequence. This type of mutation is called a:

A. Silent mutation
B. Missense mutation
C. Nonsense mutation
D. Frameshift mutation
nmdcat.online Bio chemistry for nurses
Jun 6, 2026
nmdcat.online Bio chemistry for nurses
Jun 6, 2026
nmdcat.online Bio chemistry for nurses
Jun 6, 2026

The metabolic pathway that uses glucose to produce NADPH and pentoses for nucleotide synthesis is the:

A. Glycolysis
B. Krebs Cycle
C. Pentose Phosphate Pathway
D. Gluconeogenesis
nmdcat.online Bio chemistry for nurses
Jun 6, 2026
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