Viroids cause disease in

A. animals.
B. plants.
C. bacteria.
D. fungus.


B

Biology & Microbiology

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Mutations occur:

A. in every cell. B. in somatic cells, but not in germ line cells. C. in germ line cells, but not in somatic cells. D. during development but not during adulthood.

Biology & Microbiology

The process by which two molecules covalently bond into a larger one is

a. condensation. b. cleavage. c. functional group transfer. d. electron transfer. e. rearrangement.

Biology & Microbiology

Mycorrhizae are nitrogen-fixing bacteria living within the roots of certain tropical trees

Indicate whether the statement is true or false

Biology & Microbiology

Pollination begins when pollen is transferred from the ________ to the ________ of a flower.

A. anther; ovary B. stigma; embryo sac C. anther; receptacle D. synergid; egg E. anther; stigma

Biology & Microbiology