Q2 of 71 Page 40

Distinguish between heterochromatin and euchromatin. Which of the two is transcriptionally active?


Euchromatin has transcriptionally active regions of DNA. Heterochromatin has transcriptionally inactive regions of DNA.


More from this chapter

All 71 →
28

In E.coli, the lac operon gets switched on when:

 1

What is the function of histones in DNA packaging?

 3

The enzyme DNA polymerase in E. coli is a DNA dependent polymerase and also has the ability to proof-read the DNA strand being synthesised. Explain. Discuss the dual polymerase.

 4

What is the cause of discontinuous synthesis of DNA on one of the parental strands of DNA? What happens to these short stretches of synthesised DNA?