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5 Written questions

5 Matching questions

  1. Hydrocarbons
  2. Sugar-Phosphate Backbone
  3. Macromolecules
  4. Polypeptide
  5. Steroids
  1. a a repeating pattern of sugar-phosphate-sugar-phosphate, with the bases hanging off the backbone like appendages
  2. b very different from fats in structure and function; the carbon skeleton of a steroid is bent to form four fused rings
  3. c on a molecular scale, many of life's molecules are gigantic
  4. d proteins usually consist of 100 or more amino acids, forming a chain
  5. e organic molecules containing only carbon and hydrogen atoms

5 Multiple choice questions

  1. means that they do not mix with water
  2. in animals they serve as a primary source of dietary energy; in plants, they are used as a building material to for much or the plant body

  3. molecules that have the same molecular formula but different structures
  4. large molecules made by stringing together many smaller molecules called monomers
  5. the 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

5 True/False questions

  1. Celluloseanimals store excess sugar in the for of a polysaccharide


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


  3. Hydrophilicwhich literally means "water loving"; hydrophilic molecules adhere to water to their surface


  4. Disaccharidelong chains of sugar units--polymers or monosaccharides


  5. Organic Compoundscompounds that contain carbon


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