A long whip-like structure for the movement of a cell is a
A. nucleus
B. flagellum
C. mitochondria
D. cilia
Answer: B. flagellum
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Parasites impact host populations by
a. draining nutrients from hosts. b. making hosts more vulnerable to predation. c. lowering birth rates and raising death rates. d. causing sterility e. all of these.
Cystic fibrosis is one of the most common genetic diseases among individuals of European ancestry, and affects one newborn in approximately how many?
A) 10 B) 100 C) 250 D) 2,500 E) 10,000
Which scientist specializes in categorizing and describing groups of organisms?
A) botanist B) entomologist C) herpetologist D) systematist
Which one of the following is not a function of carbohydrates (as a class)?
A. structural support B. energy storage C. energy source D. enzymatic catalysis E. All are carbohydrate functions.