Genetics and DNA: Understanding RNA and Gene Expression
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Questions and Answers

What is the role of RNA in gene expression?

  • To replicate DNA
  • To direct the production of proteins (correct)
  • To store genetic information
  • To regulate cell growth
  • What is the difference in the sugar molecule used in RNA and DNA?

  • RNA uses glucose, while DNA uses fructose
  • RNA uses ribose, while DNA uses deoxyribose (correct)
  • RNA uses lactose, while DNA uses sucrose
  • RNA uses sucrose, while DNA uses lactose
  • What is the primary function of genes?

  • To synthesize proteins
  • To contain coded instructions for protein synthesis (correct)
  • To regulate cell growth
  • To replicate DNA
  • What is the first step in decoding genetic instructions from DNA?

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

    What is the difference in the nitrogenous base used in RNA and DNA?

    <p>RNA uses uracil, while DNA uses thymine</p> Signup and view all the answers

    What is the primary difference in the structure of RNA and DNA?

    <p>RNA is single-stranded, while DNA is double-stranded</p> Signup and view all the answers

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