Unit 1 multiple choice quiz

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1. A platelet

  • is a cell fragment that releases fibrinogen
  • is a protein that forms an insoluble mesh to trap red blood cells
  • is a cell fragment that releases thromboplastin
  • is an enzyme that converts prothrombin into thrombin
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2. DNA and mRNA both

  • contain thymine
  • have a double helix structure
  • have a sugar-phosphate chain
  • contain ribose

3. Which of the following is the name of the bond used to join amino acids together?

  • phosphodiester
  • peptide
  • glycosidic
  • ester

4. An anticoagulant...

  • increases the time taken for a blood clot to form
  • increases blood cholesterol concentrations
  • decreases blood cholesterol concentrations
  • decreases the time taken for a blood clot to form

5. The units for mean BMI are

  • m kg−2
  • kg m2
  • kg m−2
  • m2 kg

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