About half of all flowering plant species, including many important crop plants, are ____
a. polyploids
b. haploids
c. aneuploids
d. euploids
e. diploids
A
Biology & Microbiology
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Outside the CNS, groups of neuronal cell bodies that are clustered together to perform basic functions are known as
A. nerve nets. B. ganglia. C. nerves. D. spinal cords. E. somata.
Biology & Microbiology
The success of human populations resulted from ____
a. their ability to solve ecological problems b. a stable climate c. their society d. their hunting ability e. absence of predators
Biology & Microbiology
Trophic pyramids typically have a ____ base and a ____ top portion
a. narrow; narrow b. narrow; wide c. wide; narrow d. wide; wide e. flat; flat
Biology & Microbiology
The membrane proteins responsible for distinguishing "self" from "nonself" are which of the
following? a. channel b. recognition c. receptor d. carrier e. mosaic
Biology & Microbiology