MICR 2123 Exam Questions with Answers
Cyanobacteria and green plants both perform oxygen's photosynthesis. In this form of photosynthesis, what is the electron source - Answer-H20
Most haloarchaea are photoeterotrophs: they capture light as an energy source. How do these organism use light - A...
Cyanobacteria and green plants both perform oxygen's photosynthesis. In this form of
photosynthesis, what is the electron source - Answer-H20
Most haloarchaea are photoeterotrophs: they capture light as an energy source. How do
these organism use light - Answer-They use bacteriorhodopsin, a light-powered proton
pump
What is a common electron source for microbes undergoing lithotrophy - Answer-
Ammonia
Oxidation is the ___ of electrons, and reduction is the ___ of electrons - Answer-Loss;
Gain
Sulfate-reducing bacteria use ___ as an acceptor to and reduce it to ____ - Answer-
Sulfate (SO42-); sulfide (H2S)
The only bacteria known to produce oxygen (O2) are - Answer-cyanobacteria
Which of the 3 domains has the most extremophiles and no known pathogens within it -
Answer-Archaea
high or low energy: NADPH - Answer-high energy
high or low energy: ATP - Answer-high energy
high or low energy: ADP - Answer-low energy
high or low energy: NAD+ - Answer-low energy
Thermophiles produce many chaperone proteins that help denatured proteins to refill
and stay active - Answer-True
Acidophiles can live at pH=0 - Answer-True
The DNA raw polymerase used for PCR applications was isolated from - Answer-The
thermophile thermusbaquaticus
Catabolism provides ___ and __ for anabolism - Answer-Energy and matter
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