Viroids are of economic significance because they cause disease in ________.

A. animals
B. plants
C. humans
D. All of the choices are correct.


Answer: B

Biology & Microbiology

You might also like to view...

The action of two hormones working together to accomplish the same result is called:

A. synergism. B. antagonism. C. stimulation. D. inhibition.

Biology & Microbiology

Oxygen acts as a final electron acceptor in respiration and is ultimately converted into which

molecule?

a. water b. ATP c. CO2 d. glucose e. phosphate

Biology & Microbiology

A definitive host harbors which stage of a parasite?

A) Miracidium B) Larva C) Adult D) Cyst E) All of the above

Biology & Microbiology

Forests serve to

a. hold water. b. control soil erosion. c. control flooding. d. control sediment buildup in lakes, rivers and reservoirs. e. all of these.

Biology & Microbiology