1.2 Biological Molecules

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1. What is hydrogen bonding?

  • When two hydrogen atoms form a covalent bond
  • When the polarity of water molecules means that a hydrogen atom on one water molecule is attracted to the oxygen atom on another water molecules
  • When the polarity of water molecules means that a hydrogen atom on one water molecule is attracted to the other hydrogen atom on the same molecule - keeping it together
  • When hydrogen forms a simple bond with any other molecule
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Other questions in this quiz

2. True or False: Because water is a polar molecule, ions of different charges are always deterred from it

  • False
  • True

3. Which of these nucleic acids are only present in RNA?

  • Uracil
  • Thymine
  • Guanine
  • Adenine
  • Cytosine

4. How do you form a polymer?

  • Combining monomers using ionic bonds
  • Combining monomers using metallic bonds
  • Combining monomers using covalent bonds
  • Combining monomers using hydrogen bonds

5. Which is not an example of a polysaccharide?

  • Phospholipids
  • Starch
  • Glycogen
  • Cellulose
  • Chitin

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