Tools of rDNA technology

Which of the following enzymes is not a tool for rDNA technology ?

Which is not a basic step of rDNA technology ?

Explain the application of rDNA technology to produce insulin.

The desired product of rDNA technology produced through bioreactors on large scale undergoes

What is the basic aim of rDNA technology?

What are molecular scissors? Explain their role in rDNA technology.

Can you suggest a method to remove oil (hydrocarbon) from seeds based on your understanding of rDNA technology and chemistry of oil?

How was insulin obtained before the advent of rDNA technology? What were the problems encountered?