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5 Written questions

5 Matching questions

  1. heat energy
  2. entropy
  3. chemical digestion
  4. trypsin
  5. paramecium
  1. a an intestinal enzyme that breaks peptide bonds. producing amino acids from polypeptides
  2. b the breaking down of complex food molecules into simpler ones
  3. c a measure of the degree of disorganization of a system OR how much energy in a system has become so dispersed that it is no longer available to do work
  4. d a single-celled organism
  5. e a form of energy that is unusable for organisms and increases the entropy of the universe

5 Multiple choice questions

  1. a secretion of the liver stored in the gallbladder and released through a duct in the small intestine; breaks large fat droplets into smaller ones that enzymes can act on more efficiently
  2. reactions that build proteins from amino acids and build tissues from the proteins (consume free energy)
  3. the chemical activities and changes that take place in a cell or organism
  4. an autotroph; any organism that produces its own food
  5. chemicals that lower activation energies

5 True/False questions

  1. chemical energyinclude constructing and breaking down large complex molecules and organizing them into larger structural components of cells


  2. pepsina protein-digesting enzyme secreted by stomach gland cells in an inactive form called pepsinogen


  3. diffusionthe processes that break down food


  4. salivary amylasea watery secretion containing digestive enzymes that begin chemical digestion; ph 6.0-7.4


  5. esophagusa muscular tube connecting the oral cavity to the stomach


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