A human somatic cell contains chromosomes, which represents the state
46; haploid
23; diploid
46; diploid
23; haploid
The Correct Answer is C
A. 46; haploid: A cell with 46 chromosomes is diploid, not haploid.
B. 23; diploid: A diploid cell has two sets of chromosomes—23 from each parent, totaling 46.
C. 46; diploid: Human somatic (body) cells contain 46 chromosomes (2n)—this is the diploid state.
D. 23; haploid: 23 chromosomes is the haploid number, found in gametes (sperm and eggs), not somatic cells.
Nursing Test Bank
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Related Questions
Correct Answer is D
Explanation
A. monosaccharides: Monosaccharides are the building blocks of carbohydrates, not lipids.
B. a glycerol plus three glycogen chains: Glycogen is a polysaccharide, not a component of triglycerides.
C. a glycerol plus three amino acid chains: Amino acids form proteins, not triglycerides.
D. a glycerol plus three fatty acid chains: A triglyceride is made of one glycerol molecule and three fatty acids-this is the primary structure of fats.
Correct Answer is B
Explanation
A. exocytosis: This is the process of expelling material out of the cell, not taking it in.
B. pinocytosis: Pinocytosis is "cell drinking"-the process of engulfing dissolved particles in fluid by invagination of the plasma membrane.
C. cytolysis: Cytolysis refers to cell bursting, not intake of particles.
D. phagocytosis: Phagocytosis is "cell eating", where the cell engulfs large solid particles like bacteria, not liquids.
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