All living organisms are composed of cells” is an example of what type of scientific statement?

A. A hypothesis.
B. A theory.
C. A discovery.
D. A prediction.
E. A fact.


B. A theory.

Biology & Microbiology

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Which of the following genetic notations refers to a dikaryotic fungal stage?

A. n B. n + n C. 2n + n D. 2n E. 2n + 2n

Biology & Microbiology

For most multicellular eukaryotes, including humans, mitochondria are inherited

a. only from the father. b. from both the father and the mother. c. from the mother for females and from the father for males. d. randomly from either the father or the mother. e. only from the mother.

Biology & Microbiology

One way to detect the growth of a virus in culture is to observe the degeneration and lysis of infected cells in the monolayer of cells. These areas show up as clear, well-defined patches in the cell sheet called

A) colonies. B) plaques. C) turbidity. D) cottony patches.

Biology & Microbiology

What stimulates germination of desert plant seeds after a hard rain?

A) production of auxins B) removal of abscisic acid C) cooler temperatures D) activation of cytokinins

Biology & Microbiology