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One solenoid composed of :–
- a)8–nucleosome
- b)6–nucleosome
- c)10–nucleosome
- d)16–nucleosome
Correct answer is option 'B'. Can you explain this answer?
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One solenoid composed of :–a)8–nucleosomeb)6–nucleos...
One solenoid composed of 6 nucleosomes. The solenoid defines the packing of DNA as a 30nm fibre of chromatin and results from the helical winding of at least five nucleosome strands. The nucleosomes resemble beads on a string, are further compacted into a helical shape via the NH2 terminal protein interactions of the octameric histones, called a solenoid. DNA packed into solenoids, unlike DNA in nucleosome form, is not transcriptionally active. With more packing, solenoids are able to become increasingly more packed, forming chromosomes. At this point, solenoids coil around each other to form a loop, followed by a rosette, then a coil, and at last, two chromatids. The end result is the metaphase chromosome. The completely condensed chromatin has a diameter of up to 700 nm.
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One solenoid composed of :–a)8–nucleosomeb)6–nucleos...
It's 6 - nucleosome , the solenoid defines the packing of DNA as a 30 nm . fibre of chromatin and results from the helical winding of at least five nucleosome .
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One solenoid composed of :–a)8–nucleosomeb)6–nucleos...
Composition of a Solenoid
- 6 Nucleosome
Explanation:
- A solenoid is a higher-order chromatin structure formed by the coiling of nucleosomes.
- Each nucleosome consists of DNA wrapped around a core of histone proteins.
- The solenoid structure is composed of multiple nucleosomes coiled together in a helical fashion.
- Research suggests that a solenoid typically consists of 6 nucleosomes arranged in a helical structure.
- This arrangement allows for the compaction of DNA into a higher-order structure while still maintaining accessibility for gene regulation and transcription processes.
- The solenoid structure plays a crucial role in organizing the genome within the nucleus and regulating gene expression.
Therefore, the correct composition of a solenoid is 6 nucleosomes.
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One solenoid composed of :–a)8–nucleosomeb)6–nucleosomec)10–nucleosomed)16–nucleosomeCorrect answer is option 'B'. Can you explain this answer?
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One solenoid composed of :–a)8–nucleosomeb)6–nucleosomec)10–nucleosomed)16–nucleosomeCorrect answer is option 'B'. Can you explain this answer? for NEET 2024 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about One solenoid composed of :–a)8–nucleosomeb)6–nucleosomec)10–nucleosomed)16–nucleosomeCorrect answer is option 'B'. Can you explain this answer? covers all topics & solutions for NEET 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for One solenoid composed of :–a)8–nucleosomeb)6–nucleosomec)10–nucleosomed)16–nucleosomeCorrect answer is option 'B'. Can you explain this answer?.
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