Mastering Recombinant DNA Technology: Key Steps and Concepts

The video tutorial provides a comprehensive overview of recombinant DNA technology, detailing the steps involved in the process. It begins with the identification and isolation of the gene of interest, followed by its insertion into a suitable vector. The vector is then introduced into a host cell, a process known as transformation. The tutorial explains how to select transformed cells and concludes with the expression and multiplication of the introduced gene. The example of human insulin gene insertion into bacteria is used to illustrate these steps.

What is the primary goal of recombinant DNA technology?

• To create new species

• To identify and isolate genes

• To produce large quantities of a gene product

• To eliminate genetic diseases

Which of the following is NOT a source for obtaining a gene of interest?

• Mitochondrial DNA

• Chemical synthesis

• cDNA library

• Genomic library

What is the role of a vector in recombinant DNA technology?

• To replicate the gene of interest inside a host

• To synthesize proteins

• To destroy unwanted DNA

• To identify the gene of interest

Which enzyme is used to cut the vector DNA at specific sites?

• Restriction enzyme

• Polymerase

• Ligase

• Helicase

What is the process of introducing a vector into a host cell called?

• Transcription

• Translation

• Transformation

• Translocation

Which method is NOT used for gene transfer into a host?

• Electroporation

• Liposome-mediated transfer

• Microinjection

• Photosynthesis

What is the purpose of selecting transformed cells?

• To increase the size of the host organism

• To eliminate all bacterial cells

• To identify cells that have successfully incorporated the gene of interest

• To produce more vectors

How can transformed cells be selected?

• By growing them in a selective medium

• By using a microscope

• By heating them

• By freezing them

What is the final product of expressing the insulin gene in bacteria?

• Human insulin

• Bacterial insulin

• Plant insulin

• Synthetic insulin

What is the name of the insulin produced by recombinant DNA technology?

• Recombinin

• Insulite

• Bioinsulin

• Humulin