Describe one use of bacteriophage Mu for a bacterial geneticist, and explain why it is useful
What will be an ideal response?
Answer: Answers will vary, but bacteriophage Mu integrates into its host's genome and when doing so induces mutations. Bacterial geneticists can use Mu to create a library of mutations, which is an especially useful technique in reverse genetics approaches.
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List and briefly explain the organization of life, beginning at the molecular level and continuing through the biosphere
What will be an ideal response?
“Bt corn” are corn plants that contain a bacterial gene for the bacterial toxin, Bt. The production of this toxin kills
insects that feed on the plant, thereby making the plants pest-resistant. This process is an example of: a. bioengineering. b. genomic studies. c. fluorescent GloFish. d. recombinant DNA technology. e. genetic engineering
White blood cells (WBCs) are more resistant to lysis than red blood cells (RBCs). When looking at a sample of blood for WBCs, what could you do to reduce interference from RBCs?
A) Mix the blood in a salty solution to cause the RBCs to lyse. B) Mix the blood in an isotonic solution and allow the WBCs to float to the top. C) Mix the blood in a hypotonic solution, which will cause the RBCs to lyse. D) Mix the blood in a hypertonic solution, which will cause the RBCs to lyse.
What information have the results of mitochondrial DNA analysis offered concerning the phylogenetic relationships between Neanderthals and modern humans?
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