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Nucleosome given beaded appearance to chromosome. They help in packing of DNA in the chromosomes. A nucleosome has :-
[UTTARANCHAL PMT 2006]
- a)about 2 turns of DNA
- b)8 histone molecules of 4 types (2 mols eachof H2 a, H2 b, H3 and H4)
- c)200 nitrogen base pairs
- d)all of the above
Correct answer is option 'D'. Can you explain this answer?
Most Upvoted Answer
Nucleosome given beaded appearance to chromosome. They help in packing...
Nulceosome is a unit of chromatin fibre which has 200 Base pairs ....the DNA and protein binds together to form a bead leke structure...... histone protein bind together to from histone Octamer and dna wraps on it.....
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Nucleosome given beaded appearance to chromosome. They help in packing...
Explanation:
The nucleosome is the basic structural unit of chromatin, the material that makes up chromosomes. It consists of DNA wrapped around a core of histone proteins. The given statement mentions that a nucleosome has the following components:
A: About 2 turns of DNA
- DNA is wrapped around the histone core in a nucleosome.
- The DNA makes approximately two turns around the histone octamer, forming a compact structure.
B: 8 histone molecules of 4 types (2 molecules each of H2a, H2b, H3, and H4)
- The histone core of a nucleosome consists of eight histone molecules.
- There are four types of histone proteins: H2a, H2b, H3, and H4.
- Each type of histone protein has two molecules, resulting in a total of eight histone molecules.
C: 200 nitrogen base pairs
- A nucleosome consists of approximately 147 base pairs of DNA.
- These base pairs are wrapped around the histone core to form a nucleosome structure.
Therefore, the correct answer is D: all of the above, as all the given options are true regarding the components of a nucleosome.
The nucleosome is the basic structural unit of chromatin, the material that makes up chromosomes. It consists of DNA wrapped around a core of histone proteins. The given statement mentions that a nucleosome has the following components:
A: About 2 turns of DNA
- DNA is wrapped around the histone core in a nucleosome.
- The DNA makes approximately two turns around the histone octamer, forming a compact structure.
B: 8 histone molecules of 4 types (2 molecules each of H2a, H2b, H3, and H4)
- The histone core of a nucleosome consists of eight histone molecules.
- There are four types of histone proteins: H2a, H2b, H3, and H4.
- Each type of histone protein has two molecules, resulting in a total of eight histone molecules.
C: 200 nitrogen base pairs
- A nucleosome consists of approximately 147 base pairs of DNA.
- These base pairs are wrapped around the histone core to form a nucleosome structure.
Therefore, the correct answer is D: all of the above, as all the given options are true regarding the components of a nucleosome.
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Nucleosome given beaded appearance to chromosome. They help in packing of DNA in the chromosomes. A nucleosome has :-[UTTARANCHAL PMT 2006]a)about 2 turns of DNAb)8 histone molecules of 4 types (2 mols eachof H2 a, H2 b, H3 and H4)c)200 nitrogen base pairsd)all of the aboveCorrect answer is option 'D'. Can you explain this answer? for NEET 2025 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about Nucleosome given beaded appearance to chromosome. They help in packing of DNA in the chromosomes. A nucleosome has :-[UTTARANCHAL PMT 2006]a)about 2 turns of DNAb)8 histone molecules of 4 types (2 mols eachof H2 a, H2 b, H3 and H4)c)200 nitrogen base pairsd)all of the aboveCorrect answer is option 'D'. Can you explain this answer? covers all topics & solutions for NEET 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Nucleosome given beaded appearance to chromosome. They help in packing of DNA in the chromosomes. A nucleosome has :-[UTTARANCHAL PMT 2006]a)about 2 turns of DNAb)8 histone molecules of 4 types (2 mols eachof H2 a, H2 b, H3 and H4)c)200 nitrogen base pairsd)all of the aboveCorrect answer is option 'D'. Can you explain this answer?.
Nucleosome given beaded appearance to chromosome. They help in packing of DNA in the chromosomes. A nucleosome has :-[UTTARANCHAL PMT 2006]a)about 2 turns of DNAb)8 histone molecules of 4 types (2 mols eachof H2 a, H2 b, H3 and H4)c)200 nitrogen base pairsd)all of the aboveCorrect answer is option 'D'. Can you explain this answer? for NEET 2025 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about Nucleosome given beaded appearance to chromosome. They help in packing of DNA in the chromosomes. A nucleosome has :-[UTTARANCHAL PMT 2006]a)about 2 turns of DNAb)8 histone molecules of 4 types (2 mols eachof H2 a, H2 b, H3 and H4)c)200 nitrogen base pairsd)all of the aboveCorrect answer is option 'D'. Can you explain this answer? covers all topics & solutions for NEET 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Nucleosome given beaded appearance to chromosome. They help in packing of DNA in the chromosomes. A nucleosome has :-[UTTARANCHAL PMT 2006]a)about 2 turns of DNAb)8 histone molecules of 4 types (2 mols eachof H2 a, H2 b, H3 and H4)c)200 nitrogen base pairsd)all of the aboveCorrect answer is option 'D'. Can you explain this answer?.
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Nucleosome given beaded appearance to chromosome. They help in packing of DNA in the chromosomes. A nucleosome has :-[UTTARANCHAL PMT 2006]a)about 2 turns of DNAb)8 histone molecules of 4 types (2 mols eachof H2 a, H2 b, H3 and H4)c)200 nitrogen base pairsd)all of the aboveCorrect answer is option 'D'. Can you explain this answer?, a detailed solution for Nucleosome given beaded appearance to chromosome. They help in packing of DNA in the chromosomes. A nucleosome has :-[UTTARANCHAL PMT 2006]a)about 2 turns of DNAb)8 histone molecules of 4 types (2 mols eachof H2 a, H2 b, H3 and H4)c)200 nitrogen base pairsd)all of the aboveCorrect answer is option 'D'. Can you explain this answer? has been provided alongside types of Nucleosome given beaded appearance to chromosome. They help in packing of DNA in the chromosomes. A nucleosome has :-[UTTARANCHAL PMT 2006]a)about 2 turns of DNAb)8 histone molecules of 4 types (2 mols eachof H2 a, H2 b, H3 and H4)c)200 nitrogen base pairsd)all of the aboveCorrect answer is option 'D'. Can you explain this answer? theory, EduRev gives you an
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