Mitochondria and chloroplasts are bacterial relatives living within eukaryotes as a result of  

A.  synteny.
B.  exosymbiosis.
C.  endosymbiosis.
D.  draft sequencing by the nucleosome.
E.  contiguous base pairing.


C.  endosymbiosis.

Biology & Microbiology

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Reproductive isolation in Darwin's finches was studied by Podos. He measured beak size and found a correlation between this and the finches'

A. song. B. possible ability to attract certain mates. C. flight patterns. D. song and possible ability to attract certain mates are correct. E. song, flight patterns and beak depth.

Biology & Microbiology

Histamine

a. causes blood vessels to contract. b. causes capillaries to lose their permeability. c. causes an outward flow of fluids from the capillaries. d. reduces tissue swelling. e. enhances the function of cytokines.

Biology & Microbiology

Mycorrhizae are symbiotic associations between fungi and plant

A) seeds. B) stems. C) roots. D) flowers. E) leaves.

Biology & Microbiology

Members of the phylum Thermotogae can be found growing in ________.

A. marine hydrothermal vents and terrestrial solfataric hot springs B. soils of the Antarctic C. the intestinal tract of mammals D. marine salterns of the shore of the Dead Sea

Biology & Microbiology