The member of the domain Bacteria whose genome shows it to be most closely related to the Archaea is ________.
A. Synechococcus
B. Thermotoga
C. Aquifex
D. Deinococcus
Answer: B
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The two major ventral body cavities of a fetal pig are the
(a) thoracic and pleural. (b) thoracic and pericardial. (c) abdominopelvic and thoracic. (d) abdominopelvic and pericardial.
Plant cells release hydrogen ions and oxygen from H2O molecules in ____
a. photosystem I b. photosystem II c. cyclic photophosphorylation d. the light independent reaction e. carbon fixation
An oncogene is
A. always seen in human cancer cells. B. a mutated form of a proto-oncogene. C. a viral gene with no relation to the host cell's genes. D. a gene that turns off cellular reproduction. E. a bacterial gene that causes cancer in the host.
In general, which of the following is the best way to distinguish males from females?
a. Males are more brightly colored. b. Males produce motile gametes. c. Males are larger. d. Males are more aggressive. e. All of the above are correct