Microbes such as Geobacter metallireducens obtain energy from organic matter under anaerobic conditions by using ferric iron as a(n) ________.
Fill in the blank(s) with the appropriate word(s).
electron acceptor
Biology & Microbiology
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Explain why individuals with cystic fibrosis have different levels of severity of the disease
What will be an ideal response?
Biology & Microbiology
In Earth's history, what might the cooling of the Earth and the resulting change from a forested to a grassy landscape have made adaptive in humans?
A. grasping fingers B. complex language C. social structure D. bipedalism
Biology & Microbiology
The chromosomes have arrived at opposite poles during
a. anaphase. b. metaphase. c. interphase. d. prophase. e. telophase.
Biology & Microbiology
In males, most testosterone is produced by the ________ (cells).
Fill in the blank(s) with the appropriate word(s).
Biology & Microbiology