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DNA Packaging in Human Cells
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DNA Packaging in Human Cells

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Questions and Answers

What is the purpose of coiling and supercoiling in DNA?

To eventually form chromosomes

Why does DNA need to be condensed inside the nucleus of a human cell?

To fit inside the nucleus due to its length

What are the components of chromatin?

DNA and Histones

List the components of a nucleotide.

<p>Pentose sugar, Phosphate group, Nitrogenous bases</p> Signup and view all the answers

Provide two kinds of nucleic acids.

<p>DNA and RNA</p> Signup and view all the answers

What are the two purines nitrogenous bases found in DNA?

<p>Adenine (A) and Guanine (G)</p> Signup and view all the answers

What is the structure formed by a core of 8 histones in DNA?

<p>Nucleosome</p> Signup and view all the answers

What is the point of attachment between two sister chromatids in a chromosome called?

<p>Centromere</p> Signup and view all the answers

Which nitrogenous base is unique to RNA and not found in DNA?

<p>Uracil (U)</p> Signup and view all the answers

Who proposed the 'double helical model' of DNA?

<p>Watson and Crick</p> Signup and view all the answers

What serves to attach a chromosome to spindle fibers during cell division?

<p>Centromere</p> Signup and view all the answers

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