Question: What is biotechnology?

Answer: use of technology to isolate and modify biological molecules to achieve practical benefits

Question: Bacteria use restriction enzymes to:

Answer: destroy foreign DNA.

Question: The polymerase chain reaction (PCR) is a lab technique that ultimately results in which of the following?

Answer: duplication of a small strand of DNA into billions of copies

Question: When creating a gene library, how is recombinant DNA introduced into bacterial cells?

Answer: plasmids

Question: A recombinant plasmid created during a recombinant DNA experiment:

Answer: Carries and allows expression of a foreign gene of interest.

Question: CRISPR is used for:

Answer: gene editing.

Question: What role does Cas9 play in CRISPR?

Answer: It cuts the target gene in a specific location.

Question: You are a researcher who wants to inactivate the gene in mosquitoes that allows them to host the malarial parasite. What biotechnology tool would be best suited for this task?

Answer: CRISPR

Question: The combination of DNA from two or more sources is called:

Answer: recombinant DNA

Question: Which of these describes a genetically modified organism?

Answer: an organism that has at least one gene from another species inserted into its DNA