Homplastic traits are similar for reasons other than those due to inheritance from a common ancestor

a. true
b. false


Answer: a. true

Biology & Microbiology

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An arg- strain of E. coli is transformed with a plasmid carrying the wild-type (arg+) gene. The transformed cells are replica-plated to two minimal medium plates: one supplemented with arginine and one lacking arginine

The transformed cells would grow on A) only the plate supplemented with arginine. B) only the plate lacking arginine. C) both plates. D) neither plate. E) the plate supplemented with arginine, but only if a mutation occurred.

Biology & Microbiology

Most protists are ____, with each cell forming a complete organism capable of performing all the functions

characteristic of life. a. parasitic b. colonial c. unicellular d. autotrophic e. multicellular

Biology & Microbiology

Matter is composed of

A. atoms. B. mass. C. molecules. D. energy.

Biology & Microbiology

Parasitism, competition, and predation are density-independent factors that help control population size.

Answer the following statement true (T) or false (F)

Biology & Microbiology