Q.

Arrange the following steps for making the bacterial cell competent to take up DNA, in chronological order.

I.    Incubation of cells with recombinant DNA on ice.

II.   Incubation of cells with recombinant DNA at 42 degree Celsius

III.   Treating cells with a specific concentration of a divalent such as calcium

see full answer

Start JEE / NEET / Foundation preparation at rupees 99/day !!

21% of IItians & 23% of AIIMS delhi doctors are from Sri Chaitanya institute !!
An Intiative by Sri Chaitanya

a

III, I, II, I

b

III, I, II

c

I, III, I, II

d

II, I, III

answer is A.

(Unlock A.I Detailed Solution for FREE)

Ready to Test Your Skills?

Check your Performance Today with our Free Mock Test used by Toppers!

Take Free Test

Detailed Solution

In the method of rDNA technology, the bacterial cells must be made competent by treating with divalent cation like Ca. The bacteria along with rDNA must be kept on ice and later for brief period should be treated to 420C temperature and again be kept on ice.

Watch 3-min video & get full concept clarity
score_test_img

Get Expert Academic Guidance – Connect with a Counselor Today!

whats app icon
Arrange the following steps for making the bacterial cell competent to take up DNA, in chronological order.I.    Incubation of cells with recombinant DNA on ice.II.   Incubation of cells with recombinant DNA at 42 degree CelsiusIII.   Treating cells with a specific concentration of a divalent such as calcium