The prevalance of iron-sulfide cofactors in organisms supports the hypothesis that life arose _____
a. in outer space
b. on tidal flats
c. in volcanic springs
d. in the upper atmosphere
e. near geothermal vents
e
Biology & Microbiology
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A unique feature of ________ is that they are tissue specific.
Fill in the blank(s) with the appropriate word(s).
Biology & Microbiology
Which of the following is a response of our innate defense system?
A) adaptive immunity B) inflammation C) cytotoxic T cell response D) helper T cell response
Biology & Microbiology
Three initiation factors (IF-1, IF-2 and IF-3) are required for initiation of bacterial translation. What are their roles?
What will be an ideal response?
Biology & Microbiology
If an epidemic is confined to a local area, it is usually called
A. an opportunistic infection. B. a chronic infection. C. an outbreak. D. a pandemic. E. a slow infection.
Biology & Microbiology