Genome Projects & Gene Technologies - exam practice
Genome Projects & Gene Technologies
Question 1 of 10
1 of 10
The polymerase chain reaction (PCR) involves a repeating sequence of temperature changes.
Which process occurs at a temperature of 72°C?
Question 2 of 10
2 of 10
The diagrams A to D represent different setups of an agarose gel electrophoresis experiment.
Each diagram shows an agarose gel and the positive and negative electrodes. DNA samples are loaded into the four wells at the top of each gel.

Which diagram shows the correct positioning of electrodes?
Question 3 of 10
3 of 10
What is the role of antibiotic-resistance marker genes in genetic engineering?
Question 4 of 10
4 of 10
In genetic fingerprinting, what does gel electrophoresis separate?
Question 5 of 10
5 of 10
Which of the following best describes the role of vectors in gene cloning?
Question 6 of 10
6 of 10
What is the significance of the polymerase chain reaction in the field of genetic engineering?
Question 7 of 10
7 of 10
What is the role of Taq polymerase in PCR?
Question 8 of 10
8 of 10
Why are restriction endonucleases important in recombinant DNA technology?
Question 9 of 10
9 of 10
What is the purpose of reverse transcriptase in recombinant DNA technology?
Question 10 of 10
10 of 10
Which of the following is a characteristic of sticky ends produced by restriction endonucleases?