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Which of the following includes all others in the list?Group of answer choicesheterochromatineuchromatinchromatinNext

Question

Which of the following includes all others in the list?

Group of answer choices

  • heterochromatin
  • euchromatin
  • chromatin

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Solution

The term that includes all others in the list is "chromatin". Chromatin is a complex of DNA and protein found in eukaryotic cells. Its primary function is packaging long DNA molecules into more compact, denser structures. This prevents the strands from becoming tangled and also plays important roles in reinforcing the DNA during cell division, preventing DNA damage, and regulating gene expression and DNA replication.

The other two terms, heterochromatin and euchromatin, are types of chromatin.

Heterochromatin is a tightly packed form of DNA or condensed DNA, which comes in multiple varieties. These varieties lie on a continuum between the two extremes of constitutive and facultative heterochromatin.

Euchromatin is a lightly packed form of chromatin that is enriched in genes, and is often (but not always) under active transcription. Euchromatin comprises the most active portion of the genome within the cell nucleus.

So, chromatin includes both heterochromatin and euch

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