When a species lives in suitable habitats throughout a geographical area they have

1.disjunct distributions.
2.continuous distributions.
3.a dispersal.
4.a vicariance.
5.None of the options is correct.


2

Biology & Microbiology

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The presence of cytoplasmic membrane-bound organelles is characteristic of ____

a. Archaea only b. Bacteria only c. both Archaea and Bacteria d. neither Archaea nor Bacteria e. Achaea, Bacteria and Eukarya

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Phospholipids created in a laboratory can self-assemble into bilayers

Indicate whether the statement is true or false.

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The three-dimensional structure of a protein is analyzed most definitively by

a. electron microscopy. b. light microscopy. c. subcellular fractionation. d. X-ray crystallography

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A hemagglutination test is useful for

A) determining antibody titer. B) blood typing. C) determining effectiveness of immunization. D) detecting presence of a pathogen in patient serum. E) diagnosing viral infection.

Biology & Microbiology