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(2 exact duplicates found)

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5 Written questions

5 Matching questions

  1. acid
  2. cellulose
  3. chemical bond
  4. triglyceride
  5. gallbladder
  1. a A structural polysaccharide of cell walls, consisting of glucose monomers joined by b-1, 4-glycosidic linkages
  2. b A substance that increases the hydrogen ion concentration of a solution
  3. c An attraction between two atoms resulting from a sharing of outer-shell electrons or the presence of opposite charges on the atoms; the bonded atoms gain complete outer electron shells
  4. d stores bile until it is needed in the small intestine
  5. e A fat, which consists of a molecule of glycerol linked to three fatty acids

5 Multiple choice questions

  1. A homogeneous, liquid mixture of two or more substances
  2. A polymer consisting of many nucleotide monomers; serves as a blueprint for proteins and, through the actions of proteins, for all cellular activity
  3. A lipid that consists of one fatty acid linked to an alcohol
  4. is depressed while swallowing to cover the entrance to the windpipe
  5. An organic molecule possessing both carboxyl and amino groups

5 True/False questions

  1. Mouthtakes in food and mechanically and chemically breaks down matter


  2. hydroxylA functional group consisting of a hydrogen atom joined to an oxygen atom by a polar covalent bond. Molecules possessing this group are soluble in water and are called alcohols


  3. ionic bondA chemical bond resulting from the attraction between oppositely charged ions


  4. dehydration synthesisA chemical process in which a polymer forms as monomers are linked by the removal of water molecules. One molecule of water is removed for each pair of monomers linked


  5. phospholipidA molecule that is a constituent of the inner bilayer of biological membranes, having a polar, hydrophilic head and a nonpolar, hydrophobic tail


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