Bordetella pertussis is an example of which group of organisms?
A) Cytophaga-Flavobacterium-Bacteroides
B) high G+C bacteria
C) Proteobacteria
D) spirochetes
Ans: C) Proteobacteria
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Nitrogen supplies to atoll coral reefs are thought to come from all except
a. nitrogen fixing bacteria. b. planktonic cyanobacteria wind-driven to the reefs. c. re-cycling by fish fecal material. d. runoff from land.
Which statement about the geologic time scale is
incorrect? a. Mammals originated early in the Mesozoic era. b. Adaptive radiation of flowering plants, insects, and birds took place during the Mesozoic era. c. Mass extinction of the dinosaurs occurred about 65 million years ago. d. Reptiles originated during the Paleozoic era. e. Eukaryotes originated during the Proterozoic eon.
Why does Dallas, Texas, have a higher yearly average temperature than Chicago, Illinois?
A) Dallas is at a higher latitude than Chicago. B) Chicago experiences more prevailing westerly winds than Dallas. C) Dallas receives more solar irradiance than Chicago. D) Dallas is closer to a large body of water, than is Chicago.
In cells, endergonic reactions are often coupled with exergonic reactions that store energy
Indicate whether the statement is true or false