The phylogenetic classification of bacteria is based on

A) cell morphology.
B) Gram reaction.
C) rRNA sequences.
D) habitat.
E) diseases.


C

Biology & Microbiology

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In mammals, the brain region that has become especially important as a "relay center" for information passing from sensory structures to the cerebrum is the

A. hypothalamus. B. cerebellum. C. pons. D. thalamus. E. hippocampus.

Biology & Microbiology

The process by which the presence and activity of neighboring cells determine an aspect of development is called ________

Fill in the blank(s) with correct word

Biology & Microbiology

Viruses are cellular microorganisms that can sometimes cause disease.

a. true b. false

Biology & Microbiology

Crossing over occurs during which stage of meiosis?

A) telophase I B) metaphase II C) prophase I D) anaphase II E) prophase II

Biology & Microbiology