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Gene Regulation and Expression > Chromatin and Epigenetics > Flashcards

Chromatin and Epigenetics Flashcards

1
Q

What is chromatin

A

packaged genes of EU DNA + proteins

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2
Q

What does chromatin do

A
  • compacts DNA molecules to fit within the nucleus
  • controls gene expression
  • allows for segregation of chromosomes during mitosis
  • protects DNA from lesions
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3
Q

What are nucleosomes

A
  • fundamental subunits of chromatin
  • 147bp wrapped around octamer of histones
  • 2 histone H3
  • 2 histone H4
  • 2 histone H2A
  • 2 histone H2B
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4
Q

What are histones

A

highly conserved, small, basic proteins

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Gene Regulation and Expression (10 decks)

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