A species that faces extinction in all or part of its range is:

a. endangered
b. threatened
c. rare
d. endemic
e. exotic


a

Biology & Microbiology

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Name two classes of proteins that combine to directly control progression through the cell cycle

What will be an ideal response?

Biology & Microbiology

A good cloning vector:

A. should have a gene or genes that allows for selection of transformed host cells. B. should not be able to be cut by more than one restriction enzyme. C. should be readily degraded in the host. D. should not be capable of replication. E. should be large.

Biology & Microbiology

When the wavelength of light used for examining a specimen decreases, the resolution _______.

A) increases B) decreases

Biology & Microbiology

A mushroom is a ___________ structure attached to a mass of ____________ fungal strands

Fill in the blank(s) with the appropriate word(s).

Biology & Microbiology