Mutation is one of the two factors that increase genetic variation

A. true
B. false


A

Biology & Microbiology

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In the mechanics of conjugation, exclusive of gene transfer, Hfr and F+ strains behave the same.

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

Biology & Microbiology

The evolution of angiosperms increased the productivity of terrestrial ecosystems

A. true B. false

Biology & Microbiology

According to the principle of use and disuse the form of body parts in offspring ____

a. are inherited based on phenotypic changes that occur in parents during their lifetime b. are the result of how much the offspring uses a particular body part c. are the result of natural selection d. are immutable e. are a result of biogeographic location

Biology & Microbiology

The action of a white blood cell engulfing a

bacterium is a. pinocytosis. b. phagocytosis. c. exocytosis. d. endocytosis. e. phagocytosis and endocytosis.

Biology & Microbiology