Human Genome Code Analysis
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Questions and Answers

What percentage of the human genome is made up of introns?

  • 5%
  • 15%
  • 25%
  • 20% (correct)

Which term refers to sequences of DNA that can move throughout the genome?

  • Promoters
  • Transposable elements (correct)
  • Repetitive DNA
  • Exons

What is the function of promoters in DNA?

  • Account for 15% of the genome
  • Move throughout the genome
  • Code for proteins
  • Begin gene transcription (correct)

What do pseudogenes represent in the human genome?

<p>Inactive DNA segments without function (A)</p> Signup and view all the answers

Approximately how much of the human genome is made up of unique noncoding DNA?

<p>15% (A)</p> Signup and view all the answers

What accounts for about 58% of the human genome according to the text?

<p>Transposable elements (C)</p> Signup and view all the answers

Which type of DNA is likely a result of mistakes during DNA replication or recombination?

<p>Repetitive DNA not related to transposable elements (C)</p> Signup and view all the answers

What percentage of the human genome is made up of regulatory sequences like promoters?

<p>~5% (B)</p> Signup and view all the answers

What is the main difference between exons and introns?

<p>Exons are expressed regions, while introns are intervening sequences. (B)</p> Signup and view all the answers

How are exons and introns arranged in a DNA sequence?

<p>Introns are found between exons in a DNA sequence. (B)</p> Signup and view all the answers

What do exons encode for in the human genome?

<p>Polypeptides (A)</p> Signup and view all the answers

Which of the following best describes the role of introns in gene expression?

<p>Introns intervene in the process of gene expression. (B)</p> Signup and view all the answers

Why are exons considered crucial in genetic information processing?

<p>Exon sequences determine the amino acid sequence of a protein. (C)</p> Signup and view all the answers

Which term best describes introns in relation to protein synthesis?

<p>Intervening sequences (A)</p> Signup and view all the answers

What effect would it have if exons were removed from a DNA sequence?

<p>'Silent' mutations could occur. (C)</p> Signup and view all the answers

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