An aneurysm is a weakening of the walls of a blood vessel. Which of the following blood vessels would be most likely to break open if an aneurysm is present?
A) capillary B) venule C) artery D) lymph duct
Answer: C
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Missense mutations cause large deletions when they
A) alter a protein's shape and affect its function. B) alter an intron splicing site so that an entire exon is deleted. C) change a triplet codon that does not affect the reading frame. D) invert a segment of a chromosome.
Meiosis produces
a. sperm cells. b. egg cells. c. body cells. d. sperm and egg cells. e. sperm, egg, and body cells.
If organs are analogous to the body, which of the following are organelles analogous to?
a. an eukaryote b. a prokaryote c. a cell d. an animal
The tendency of an electrolyte to diffuse between two compartments depends on _______.
a) an electrical gradient b) ATP concentration in the cell c) an electrochemical gradient d) a chemical gradient