Home
Class 12
BIOLOGY
Why is it difficult for DNA to pass thro...

Why is it difficult for DNA to pass through cell membrane ? How the bacterial cells can be made competent to take up DNA ?

Text Solution

Verified by Experts

Since the DNA is a hydrophilic molecule , it cannot pass through cell membranes , In order to force bacteria to take up the plasmid , the bacterial cell must first be made competent to take up DNA. This is done by treating them with a specific concentration of a divalent cation such as calcium.
Promotional Banner

Topper's Solved these Questions

  • PRINCIPLES AND PROCESSES OF BIOTECHNOLOGY

    FULL MARKS|Exercise Additional Questions (5- Mark Questios)|6 Videos

  • PRINCIPLES AND PROCESSES OF BIOTECHNOLOGY

    FULL MARKS|Exercise Higher Order Thinking Skills (HOTs) Questions|4 Videos

  • PRINCIPLES AND PROCESSES OF BIOTECHNOLOGY

    FULL MARKS|Exercise Additional Questions (2- Mark Questios)|27 Videos

  • PRINCIPLES OF INHERITANCE AND VARIATION

    FULL MARKS|Exercise Higher Order Thinking Skills (HOTs) Questions|4 Videos

  • PRINCIPLES OF ECOLOGY

    FULL MARKS|Exercise ADDITIONAL QUESTIONS (HIGHER ORDER THINING SKILLS (HOTs) QUESTIONS)|4 Videos

Similar Questions

Explore conceptually related problems

Bacteria cell wall is made up of

Bacterial cells can prepare food. Do you agree?

Why is nuclear content of a bacterial cell called nucleoid?

Plasmids that can intergate into the bacterial DNA are called :

Solar cells are made up of Silicon.

DNA is a hydrophilic molecule, so it cannot pass through cell membranes. Then how does a recombinant DNA inserted into a plasmid vector, enter into a bacterial cell ?

Which one of the following pairs of hormones are the examples of those that can easily pass through the cell membrane of the target cell and bind to a receptor inside it?

In apopastic movement the water travels through the cell membrane and entre the cell .

Algae have cell wall made up of