After many years of testing, an hypothesis becomes accepted as a ____
a. fact
b. prediction
c. theory
d. conclusion
e. variable
ANSWER: c
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Which of the following is a bacterium associated
with severe lung infection that requires a skin test or x-ray to identify? a. jock itch b. Bacillus subtilis c. Mycobacterium tuberculosis d. Staphylococcus epidermidis e. none of these
During IVF, where does conception occur?
A. in the fimbriae B. in the oviducts C. in the vagina D. in the uterus E. in the laboratory
DNA is found in every cell of an organism. What subset of DNA changes would be most useful to molecular biologists to determine evolutionary relationships?
A) DNA changes that occur in genes specific to organisms in one kingdom B) DNA changes in genes that are shared by a common ancestor C) DNA changes in genes that occur in body cells and cannot be passed to offspring D) DNA changes in genes that do not generally code for any function
The ________ are Gram-positive pleomorphic bacteria commonly found on the skin
A) Clostridia B) diphtheroids C) Staphylococci D) Streptococci E) Pseudomonads