Quiz: Epigenetic Changes - Histone Modification
Pearson Edexcel Level 3 Advanced GCE in Biology A (Salters-Nuffield) (9BN0)
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Welcome! You've already learned about DNA methylation and gene regulation. Now, we'll explore histone modification and its role in epigenetic changes.
What is the primary role of histones in the cell?
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Which of the following are examples of histone modifications? (Select all that apply)
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Histone {{blank0}} involves the addition of an acetyl group, which {{blank1}} chromatin structure.
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Match the items on the left with their correct pairs on the right
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If a segment of chromatin contains 5 histones, and each histone undergoes 3 modifications, how many total modifications occur?
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Match the items on the left with their correct pairs on the right
Which enzyme is responsible for adding acetyl groups to histones?
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Which processes are regulated by histone modifications? (Select all that apply)
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Histone {{blank0}} removes acetyl groups, leading to chromatin {{blank1}} and reduced transcription.
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