The molecule of heredity is usually

A) RNA.
B) DNA.
C) protein.
D) carbohydrate.
E) None of the choices is correct.


B) DNA.

Biology & Microbiology

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When performing antiviral susceptibility testing, a standard inoculum must be used. If the inoculum quantity is too large, then the isolate will appear:

a. susceptible. b. intermediate. c. resistant. d. indeterminate.

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Which organism is a marsupial?

A) echidna B) kangaroo C) whale D) zebra

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Organisms implicated in microbially influenced corrosion include ALL of the following EXCEPT

a. sulfate reducers. b. ferrous-iron-oxidizing bacteria. c. ferric-iron-oxidizing bacteria. d. methanogens.

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The function of BMP4 is to ________ while the function of gremlin is to ________ BMP4.

A. cause apoptosis; act as a catalyst for B. cause apoptosis; inhibit the function of C. induce mitosis; amplify expression of D. inhibit growth; amplify expression of E. induce mitosis; inhibit the function of

Biology & Microbiology