Question:
The core DNA in the nucleosome is _________ base pairs long
The core DNA in the nucleosome is _________ base pairs long
Show Hint
A nucleosome has a histone octamer wrapped by a DNA segment of a fixed length.
Updated On: Nov 13, 2026
126
146
176
200
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The Correct Option is B
Solution and Explanation
Step 1: Understanding the Concept
A nucleosome consists of a histone octamer with DNA wound around it.
Step 2: Value
The core DNA wrapped around the octamer is 146 base pairs long, wound in about 1.65 turns.
Final Answer:
The core DNA of a nucleosome is 146 base pairs long. \[ \boxed{\text{(B) }146} \]
A nucleosome consists of a histone octamer with DNA wound around it.
Step 2: Value
The core DNA wrapped around the octamer is 146 base pairs long, wound in about 1.65 turns.
Final Answer:
The core DNA of a nucleosome is 146 base pairs long. \[ \boxed{\text{(B) }146} \]
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