Which of these conditions is a cancer that causes uncontrolled division of white blood cells, such that the number of cells greatly increases?
A) iron-deficiency anemia B) mononucleosis
C) leukemia D) sickle-cell anemia
Answer: C
Biology & Microbiology
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What is the most common cause of kidney failure?
a. long-term high-dose aspirin b. chronic high blood pressure and diabetes c. genetic predisposition d. pesticides e. lead
Biology & Microbiology
A sarcomere shortens when _____
a. thick filaments shorten c. both thick and thin filaments shorten b. thin filaments shorten d. none of these
Biology & Microbiology
When light strikes a rod cell, rhodopsin:a
breaks down into opsin and retinal. b. changes color. c. acts as a second messenger. d. depolarizes the cell membrane. e. stimulates a cone cell.
Biology & Microbiology
If a hiker picked up a mollusk on a trail in a rain forest, what class would it belong to?
A. Polyplacophora B. Cephalopoda C. Gastropoda D. Bivalvia
Biology & Microbiology