Biology, 05.09.2019 22:30 Destinywall
The purple sulfur and green sulfur bacteria a. both use hydrogen sulfide as a source of electrons. b. generate oxygen. c. preferentially use organic molecules as an electron source. d. both lack gas vesicles.
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Which of the following would be a body response when stepping outside without a coat on a snowy day? a. senaceous glands. secrete more senum b. more liquid is transported by the body to the skin fir insulation c. blood vessels in the skin narrow and contract d. blood vessels in the skin expand
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The purple sulfur and green sulfur bacteria a. both use hydrogen sulfide as a source of electrons. b...
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