Biotechnology Quiz

Who is considered one of the founders of modern biotechnology?

• Albert Einstein

• Herbert Boyer

• Charles Darwin

• Isaac Newton

What is the role of restriction enzymes in genetic engineering?

• To amplify DNA

• To cut DNA at specific locations

• To ligate DNA fragments

• To replicate DNA

What is a selectable marker in recombinant DNA technology?

• A gene that codes for a protein

• A gene that provides antibiotic resistance

• A gene that enhances growth

• A gene that facilitates DNA replication

What is the purpose of PCR (Polymerase Chain Reaction)?

• To clone DNA

• To sequence DNA

• To amplify DNA

• To cut DNA

What is the function of DNA ligase in recombinant DNA technology?

• To replicate DNA

• To cut DNA

• To transcribe DNA

• To join DNA fragments

Which of the following is a common method for introducing recombinant DNA into host cells?

• Electrophoresis

• Micro-injection

• Chromatography

• Spectrophotometry

What is the main goal of downstream processing in biotechnology?

• To amplify the gene of interest

• To purify the final product

• To produce recombinant DNA

• To isolate DNA

What type of DNA is used as a vector in genetic engineering?

• Mitochondrial DNA

• Plasmid DNA

• Nuclear DNA

• Chromosomal DNA

How do restriction enzymes recognize their specific DNA sequences?

• By binding to RNA

• By recognizing palindromic sequences

• By detecting methylation patterns

• By interacting with proteins

What is the significance of the 'cutting' action of restriction enzymes in cloning?

• It allows for the amplification of DNA

• It facilitates the insertion of foreign DNA

• It prevents the degradation of DNA

• It enhances the stability of plasmids