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  • Read the following statements and choose the set of correct statements : (a) Euchromatin is loosely packed chromatin (b) Heterochromatin is transcriptionally active (c) Histone

Read the following statements and choose the set of correct statements :
(a) Euchromatin is loosely packed chromatin
(b) Heterochromatin is transcriptionally active
(c) Histone octomer is wrapped by negatively charged DNA in nucleosome
(d) Histones are rich in lysine and arginine
(e) A typical nucleosome contains 400bp400bp of DNA helix
Choose the correct answer from the options given below:

Option: 1

(a), (c), (d) Only


Option: 2

(b), (e) Only


Option: 3

(a), (c), (e) Only

 


Option: 4

(b), (d), (e) Only


Answers (1)

best_answer

Euchromatin

Heterochromatin

1. lightly stained

1. Darkly stained area

2. Participates in the translation process

2. Do not participate in the translation process.

3. Loosely packed form of DNA

3.A tightly packed form of DNA

4. Low DNA density

4. High DNA density

5. Found in both prokaryotes and eukaryotes

5. Found in eukaryotes only

àA typical nucleosome contains 200 bp of DNA helix.

Posted by

Divya Prakash Singh

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