Interferon works against viruses by
A) Stimulating apoptosis
B) Stimulating cell proliferation
C) Inhibiting proliferation of viruses in new cells
D) Altering the metabolic activity of viral cells
Ans: C) Inhibiting proliferation of viruses in new cells
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How would a terrestrial centipede most likely benefit from the ability to close its spiracles? Closing spiracles would _____
A) allow the centipede to move more quickly B) allow the centipede to retain more moisture in its tissues C) allow the centipede to stay warmer D) allow more oxygen from the environment to reach the centipede's tissues E) not benefit the centipede at all
The specialized structure in a tube worm in which endosymbiotic, chemolithotrophic bacteria live is called a(n) ________.
Fill in the blank(s) with the appropriate word(s).
Sea urchins and sand dollars fall into which of the following Echinoderm classes?
a. Ophiuroidea b. Crinoidea c. Echinoidea d. Holothuroidea
What happens when rocks are newly exposed (or created) in an area?
a. k-selection b. r-selection c. primary succession d. secondary succession