Understanding Human DNA and Genes
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Questions and Answers

How long would the DNA in the human body be if it were stretched out?

  • From the Earth to the Moon and back 50 times
  • From the Earth to the Sun and back 10 times
  • From the Earth to the Moon and back 10 times
  • From the Earth to the Sun and back 183 times (correct)

What is the function of a gene?

  • To encode a protein with a specific function (correct)
  • To store genetic information
  • To regulate cell division
  • To synthesize histones

What is the purpose of histones in DNA structure?

  • To unwind DNA during replication
  • To wrap DNA into nucleosomes (correct)
  • To compact DNA into chromosomes
  • To transcribe DNA into RNA

What is the term for a gene that is not being used to make a protein?

<p>Turned off (D)</p> Signup and view all the answers

What is the smallest unit of DNA that wraps around histones?

<p>Nucleosome (B)</p> Signup and view all the answers

Where is DNA found within a cell?

<p>In the nucleus (B)</p> Signup and view all the answers

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