7. To produce genetically engineered bacteria that make a human protein, which o

Question

7. To produce genetically engineered bacteria that make a human protein, which of the following steps does a scientist have to take first? A) Insert the human gene for the protein into a plasmid B) Extract the protein from the bacterial culture C) Use a restriction enzyme to cut out the gene from human DNA D) Transform bacteria with the recombinant plasmid 8. Plasmids a. are circular pieces of bacterial DNA. b. can replicate independently of the organism's main chromosome. c. are often used as vectors in genetic engineering experiments d. All of the above 9. Combining genes from different sources into a single DNA molecule is known as a. DNA fingerprinting. b. cloning c. PCR d. recombinant DNA technology. 10. Genetic engineering manipulates gene products at the level of the A) protein B) amino acid C) DNA D) RNA 11. beta-sheets in proteins are stabilized by A) hydrophobic bonds B) ionic bonds C) hydrogen bonds D) covalent bonds E) all of the above F) none of the above

Explanation / Answer

7. C. Use a restriction enzyme to cut out the gene from human DNA

8. D. All the above

9. D. Recombinant DNA technology

10. C. DNA

11. C. Hydrogen bonds

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