Which of the following is an organic compound?
hydrochloric acid (HCI)
salt (NaCl)
sucrose (C12H22O11)
water (H2O)
The Correct Answer is C
A. hydrochloric acid (HCl): This is an inorganic acid, lacks carbon-hydrogen bonds.
B. salt (NaCl): Inorganic ionic compound, no carbon present.
C. sucrose (C₁₂H₂₂O₁₁): Sucrose is a carbohydrate (disaccharide), which contains carbon, hydrogen, and oxygen-hallmarks of organic compounds.
D. water (H₂O): Water is essential but inorganic-it contains no carbon.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
A. lipids: Lipids are not made of peptide bonds; they consist of fatty acids and glycerol.
B. enzymes: Enzymes are proteins, made of amino acids linked by peptide bonds. Denaturation alters the protein's structure and function.
C. nucleic acids: Nucleic acids (DNA/RNA) are composed of nucleotides, not peptide bonds.
D. eicosanoids: Eicosanoids are lipid-derived signaling molecules, not proteins.
Correct Answer is B
Explanation
A. the cell would not be able to undergo mitosis: Lysosomes are not required for mitosis. That’s handled by microtubules and centrosomes.
B. the cell would become filled up with junk and die: Lysosomes contain digestive enzymes to break down waste. If defective, cellular debris accumulates, which can lead to cell death (as in lysosomal storage diseases).
C. the cell would not be able to detoxify alcohol and would die: Peroxisomes, not lysosomes, detoxify alcohol.
D. the cell would not be able to move and would die: Cell movement involves cytoskeleton elements like actin and microtubules, not lysosomes.
E. the cell would not be able to produce energy and would die: Mitochondria, not lysosomes, produce cellular energy (ATP).
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