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5 Written questions

5 Matching questions

  1. Double Helix
  2. Polysaccharides
  3. Organic Compounds
  4. Protein
  5. Macromolecules
  1. a A molecule of DNA in double-stranded sequence, with two polynucleotides wrapped around each other to from _______
  2. b on a molecular scale, many of life's molecules are gigantic
  3. c a polymer constructed from amino acid monomers
  4. d long chains of sugar units--polymers or monosaccharides
  5. e compounds that contain carbon

5 Multiple choice questions

  1. a repeating pattern of sugar-phosphate-sugar-phosphate, with the bases hanging off the backbone like appendages
  2. made of a glycerol molecule joined with three fatty acid molecules via dehydration reactions
  3. a type of unsaturated fat that is even more unhealthy than saturated fat
  4. made of one or two rings
  5. the most abundant organic compound on Earth, forms cable-like fibrils in the tough walls that enclose plant cells and is a major component of wood

5 True/False questions

  1. Unsaturatedthe fewer than the maximum number of hydrogens at the location of the double bond


  2. Primary Structurethe specific amino acid sequence


  3. Saturatedmeaning that they contain the maximum number of hydrogen atoms


  4. Amino Acidin contrast to carbohydrates and most other biological molecules, lipids are hydrophobic


  5. Hydrogenentationthe process of an unfavorable change in temperature, pH, or some other quality of the environment can cause a protein to unravel and lose its natural shape