The number of cases of a specific disease per one hundred people exposed is called the

A. attack rate.
B. index rate.
C. mortality rate.
D. obesity rate.


A

Biology & Microbiology

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Some members of the Thermoplasmatales can grow at pH levels below

A) 4. B) 7. C) 0. D) 10.

Biology & Microbiology

The enzyme ____ produces ____ DNA that is complementary to mRNA

a. reverse transcriptase; single-stranded b. reverse transcriptase; double-stranded c. DNA polymerase; single-stranded d. DNA polymerase; double-stranded e. RNA polymerase; single-stranded

Biology & Microbiology

A(n) __________ in the pH of cerebrospinal fluid is

detected by __________ chemoreceptors, which trigger a(n) __________ in the rate and depth of breathing. a. increase; peripheral; increase b. decrease; central; decrease c. increase; central; decrease d. decrease; central; increase e. decrease; peripheral; increase

Biology & Microbiology

When sunlight hits chlorophyll, the electrons are excited out of the chlorophyll; the electrons go ________ an energy hill, and as they pass through the electron transport chain they go ________ an energy hill

Fill in the blank(s) with correct word

Biology & Microbiology