The basic unit of the nervous system is the
a. neuron.
b. neuroglial cell.
c. brain.
d. nerve.
e. neurotransmitter.
Answer: a
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Characteristics of freshwater runoff include: a. high salinity compared to sea water
b. high nitrogen compared to sea water. c. high detritus compared to sea water. d. high phosphorus compared to sea water.
Chylomicrons are formed in the epithelial cell layer of the GI tract.
a. true b. false
A DNA microarray is ____
a. used for gel electrophoresis b. used identifying fragments of genes using a labeled probe c. linked to self-replicating vectors to create recombinant DNA molecules d. a series of long mRNA sequences placed on a solid support and has several uses e. a series of short nucleotide sequences placed on a solid support and has several uses
What is the Allee effect?
A. when fitness increases independently of population size B. when fitness and growth rates increase with increasing population size C. when growth rates increase independently of population size D. when fitness and growth rates increase with decreasing population size