Clusters of cell bodies of neurons are known as:
a. nerve cords
b. ganglia
c. a plexus
d. notochords
e. nerves
b
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Distinguish an ecotype from a species, and provide an example of an ecotype
What will be an ideal response?
1. Walking along a stream in a damp forest, you see the plants shown at the right. Is this the sporophyte or the gametophyte?
What will be an ideal response?
You discover a new particle. It has only RNA as a nucleic acid and lacks both a membrane and cytoplasm. This particle is a(n)
A) virus. B) archaea. C) prion. D) fungus. E) bacteria.
Answer the following questions true (T) or false (F)
1. If an Rh-positive woman marries an Rh-negative man, their children are at risk for hemolytic disease of the newborn. 2. Infection with certain viruses may lead to the development of type I diabetes. 3. Depletion of the helper T cell population by HIV results in the development of AIDS.