E-PolyLearning

21. Problems in obtaining large amounts of proteins encoded by recombinant genes can often be overcome by using
a. BACS
b. expression vectors
c. YACS
d. all of these
View Answer Report Discuss 50-50!
Answer: (b).expression vectors

22. Agrobacterium tumefaciens is
a. a disease in humans that causes loss of sight
b. a bacterium that can be used to introduce DNA into plants
c. a fungi that is used to produce antibiotics in large amounts
d. a disease in humans that causes loss of weight
View Answer Report Discuss 50-50!
Answer: (b).a bacterium that can be used to introduce DNA into plants

23. In genetic engineering, a chimera is
a. an enzyme that links DNA molecules
b. a plasmid that contains foreign DNA
c. a virus that infects bacteria
d. a fungi
View Answer Report Discuss 50-50!
Answer: (b).a plasmid that contains foreign DNA

24. Human insulin formed by recombinant DNA technology is known as
a. H insulin
b. R insulin
c. humulin
d. huinsulin
View Answer Report Discuss 50-50!
Answer: (c).humulin

25. The gene coding for VP1 is cloned in
a. pMB 9
b. pBR 322
c. pUC 18
d. pUC 19
View Answer Report Discuss 50-50!
Answer: (b).pBR 322

Page 5 of 8