6. | The piece of equipment, that introduces DNA into cells via DNA-coated microprojectiles is known as |
a. | laser |
b. | DNA probe |
c. | gene gun |
d. | inoculating needle |
View Answer Report Discuss 50-50! |
Answer: (c).gene gun
|
7. | An animal, that has gained new genetic information from the acquisition of foreign DNA, is considered as |
a. | a chimera |
b. | a transgenic animal |
c. | a vector |
d. | an enzyme that links DNA molecules |
View Answer Report Discuss 50-50! |
Answer: (b).a transgenic animal
|
8. | The advantage of using DNA polymerases from thermophilic organisms in PCR is that |
a. | the DNA polymerases of these bacteria are much faster than those from other organisms |
b. | the DNA polymerases of these bacteria can withstand the high temperatures needed to denature the DNA strands |
c. | the DNA polymerases of these bacteria never make mistakes while replicating DNA |
d. | all of the above |
View Answer Report Discuss 50-50! |
Answer: (b).the DNA polymerases of these bacteria can withstand the high temperatures needed to denature the DNA strands
|
9. | Which of the following is not commonly used as vector? |
a. | Artificial chromosome |
b. | Cosmid |
c. | Fungi |
d. | Plasmid |
View Answer Report Discuss 50-50! |
Answer: (c).Fungi
|
10. | A short molecule containing 2-20 nucleotide is |
a. | plasmid |
b. | vector |
c. | oligonucleotide |
d. | mononucleotide |
View Answer Report Discuss 50-50! |
Answer: (c).oligonucleotide
|