31. Reverse transcriptase is normally found in A) plants. D) All of the above. B) retrovirus. E) None of the above. C) mitochondria. Ans:
B Section: 5.4 32. The probe used to isolate a gene from a genomic library is often
C Section: 5.2 33. Genes can be inserted into eukaryotic cells by
D Section: 5.4 34. Animals that harbor a foreign gene as a result of recombinant gene manipulation are called
A Section: 5.4 35. Techniques for engineering new proteins by site-directed gene mutations include: A) oligonucleotide directed mutagenesis. D) a and b. B) cassette mutagenesis. E) All of the above. C) chromosome walking mutagenesis. Ans:
D Section: 5.4 Short-Answer Questions 36. A number of tools are critical to gene exploration. Name at least four.
Section: 5.1 37. Design a potential DNA-restriction enzyme site. Show both strands.
Section: 5.1 and Figure 5.1 38. How can DNA fragments of various sizes be separated?