You have a tube of nutrient broth, in which E. coli is growing.  Upon analyzing the broth chemistry, you find:oxygen content has dropped a bit, but carbon dioxide has gone up a lot 
formic, acetic, and lactic acids are present 
What kind of metabolism has most likely occurred?

A. Anaerobic respiration
B. Aerobic respiration
C. Photosynthesis
D. Fermentation


Answer: D

Biology & Microbiology

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FISH technology can employ only a single phylogenetic probe

Indicate whether the statement is true or false.

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Protein(s) that play a role in initiating transcription in eukaryotes include

_____ general transcription factors. _____ transposase. _____ RNA polymerase II. _____ mediators. _____ general transcription factors and RNA polymerase II.

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Describe three things that limit travel between stars

What will be an ideal response?

Biology & Microbiology

You are asked to study a new species, and you are presented with a miniscule amount of DNA from that species. If you do not find a way to increase the volume of the DNA sample, you will not be able to work with the sample at all. which of these techniques amplifies DNA?

A. cladistics. B. electrophoresis. C. PCR. D. DNA fragmentation.

Biology & Microbiology