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5 Written questions

5 Matching questions

  1. unsaturated fat
  2. glycogen
  3. beta pleated sheet
  4. tertiary structure
  5. deoxyribose
  1. a the sugar connected to DNA; has one less oxygen atom than the other sugar associated with nucleic acids
  2. b the overall shape of a polypeptide that results from interactions between side chains of various amino acids
  3. c a secondary structure in which two or more regions of the polypeptide chain lying side by side are connected by hydrogen bonds between parts of two parallel polypeptide backbones; it makes up the core of globular proteins
  4. d a polymer of glucose that is like amylopectin (a complex starch that is a branched polymer with 1-6 linkages at branch points) but more extensively branched; animals store this
  5. e a fat made from unsaturated fatty acids; they are liquid at room temperature (oils) because kinks in -cis bonding prevent molecules from packing together to solidify

5 Multiple choice questions

  1. the sugar connected to RNA; has one more oxygen atom than the other sugar associated with nucleicacids
  2. a process that occurs when the bonds between two monomers are broken by the addition of water molecules, with a hydrogen from the water attaching to one monomer and a hydroxyl group attaching to the adjacent monomer
  3. links that form where two cysteine monomers are brought together by folding of protein; covalent bonds reinforce structure
  4. the type of protein that transports other substances; example: hemoglobin, the iron-containing protein of vertebrate blood, transports oxygen from lungs to other parts of the body
  5. the collection of coils and folds that result from hydrogen bonds between repeating constituents of the polypeptide backbone (not the amino acid sides)

5 True/False questions

  1. peptide bonda covalent bond that results when two amino acids join through dehydration reaction


  2. primary structurethe unique structure of amino acids; example: a polypeptide composed of 127 amino acids has 20^127 different ways it can be organized


  3. alpha helixa secondary structure that is a delicate coil held together by hydrogen bonding between every fourth amino acid


  4. fatty acida large molecule constructed by two smaller molecules, glycerol and a fatty acid, through dehydration reaction; major function is energy storage


  5. storagethe type of protein that stores amino acids; example: ovalbumin is the protein of egg white, used as an amino acid source for developing embryos


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