AS Biology Nucleic Acids

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1. What is a nucleotide made up of?

  • Pentose sugar, Glycerol molecule, Carbon atom
  • Pentose sugar, Phosphate, Nitrogenous-containing base
  • Hexose sugar, phospholipid, R base
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Other questions in this quiz

2. What enzyme breaks the hydrogen bonds between bases on the two polynucleotide strands of DNA during semi-conservative replication?

  • RNA Pepsin
  • DNA Helicase
  • DNA Polymerase
  • DNA Amylase

3. What does semi-conservative replication mean?

  • Each new DNA molecule contains one strand from the original DNA and one new strand
  • New strands of DNA are made by attaching nucleotides to a strand of RNA
  • Both DNA strands are broken down into ucleotides and used to assemble a new strand of DNA

4. Between which parts of the nucleotides does this bond form?

  • The Phosphate and the Base
  • The Phosphate and the Sugar
  • The Base and the Sugar

5. What base does Adenine pair with?

  • Guanine
  • Thymine
  • Cytosine
  • Uracil


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