Mitochondria also contain DNA.
Answer the following statement true (T) or false (F)
True
Mitochondria contain a small, circular chromosome of DNA.
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The first test that is always performed on organisms growing on solid or liquid mycobacterial media is a(n):
a. niacin test. b. acid-fast stain. c. Gram stain. d. broth test.
The power used by most bacterial flagellar motors is produced by
A. synthesis of glucose. B. proton motive force (PMF). C. ATP hydrolysis. D. All of the choices are correct.
Which of the following is NOT a recognized form of anthrax?
A) cutaneous B) inhalationial C) septic D) gastrointestinal E) None of the answers are correct; all of these are recognized forms of anthrax.
A plasmid that has genes for resistance to two antibiotics, tetracycline and ampicillin, is cut with the restriction enzyme BamHI. BamHI cuts within the ampicillin resistance gene. Caenorhabditis elegans DNA that has been cut with BamHI is ligated into the linearized plasmid to make a genomic DNA library. The mixture is transformed into E. coli. Which antibiotic should be added to the medium to select cells that contain the recombinant plasmid?
A. ampicillin B. neither ampicillin or tetracycline C. tetracycline D. ampicillin and tetracycline E. x-gal