The area labeled "A" is ____
a. a nucleus
b. chromatin
c. the nuclear membrane
d. a vacuole
e. a nucleolus
ANSWER: c
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Which pair of organisms would have the most homologous ?-globin genes?
A. dolphin and bumble bee B. catfish and crocodile C. snake and mouse D. frog and cheetah E. human and chimpanzee
Which aquatic biome often has reduced nitrogen levels, and therefore more carnivorous plants?
a. Bogs b. Rivers and streams c. Lakes and ponds d. Estuaries
Apoptosis:
a. decreases the number of cells in the body b. is programmed cell death c. is a natural process d. All of these are correct.
Pentamidine is an example of an antimicrobial
A) used to treat bacterial infections. B) effective against helminths. C) used to treat viral infections. D) effective against eukaryotes, especially protozoa. E) used to treat both bacterial and fungal infections.