DNA Damage and Repair
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Questions and Answers

Which of the following is the primary target for the biological effects of radiation?

  • Proteins
  • Carbohydrates
  • DNA (correct)
  • Lipids

What holds together the two strands of DNA?

  • Hydrogen bonds (correct)
  • Covalent bonds
  • Peptide bonds
  • Ionic bonds

Which of the following bases pair with each other in DNA?

  • Adenine and Thymine (correct)
  • Cytosine and Guanine
  • Guanine and Thymine
  • Adenine and Cytosine

What is the 'backbone' of each DNA strand composed of?

<p>Sugar and phosphate groups (C)</p> Signup and view all the answers

What is the genetic code determined by in DNA?

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

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