5.1.2 - Packaging of DNA Helix
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Practice Questions
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What structure forms when DNA wraps around histones?
💡 Hint: Think of the basic unit of DNA packaging.
What is the major difference between euchromatin and heterochromatin?
💡 Hint: Consider accessibility for gene expression.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What structures form when DNA wraps around histones?
💡 Hint: Consider the basic structural unit of chromatin.
True or False: Heterochromatin is transcriptionally active.
💡 Hint: Think about whether it can be easily expressed.
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Challenge Problems
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Given the length of DNA in a human cell and the average base pairs per nucleosome, estimate how many nucleosomes are required to package all human DNA.
💡 Hint: Use the total number of base pairs in human DNA for this calculation.
If a particular gene is located in heterochromatin, what implications does this have for its expression?
💡 Hint: Consider how accessibility affects gene regulation.
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