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of 121 available terms
(2 exact duplicates found)

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5 Written questions

5 Matching questions

  1. peristalsis
  2. cohesion
  3. evaporative cooling
  4. liver
  5. inhibitor
  1. a The binding together of like molecules, often by hydrogen bonds
  2. b A substance that reduces the activity of an enzyme by entering the active site in place of the substrate whose structure it mimics
  3. c Rhythmic waves of contraction of smooth muscle that push food along the digestive tract
  4. d processes the products of digestion into substances useful to the body, neutralizes harmful substances in the blood, secretes bile for digestion of fats, synthesizes plasma proteins, stores things.
  5. e sweat on our skin evaporates with the wind causing cooling

5 Multiple choice questions

  1. Irregular contortions of a protein molecule due to interactions of side chains involved in hydrophobic interactions, ionic bonds, hydrogen bonds, and disulfide bridges
  2. The energy of motion, which is directly related to the speed of that motion
  3. One form of the secondary structure of proteins in which the polypeptide chain folds back and forth, or where two regions of the chain lie parallel to each other and are held together by hydrogen bonds
  4. A protein serving as a catalyst, a chemical agent that changes the rate of a reaction without being consumed by the reaction
  5. A substance that reduces the hydrogen ion concentration of a solution

5 True/False questions

  1. double helixThe form of native DNA, referring to its two adjacent polynucleotide strands wound into a spiral shape

          

  2. proteinA subatomic particle with a single positive electrical charge, found in the nucleus of an atom

          

  3. potential energyThe energy stored by matter as a result of its location or spatial arrangement

          

  4. BMRA substance that reduces the hydrogen ion concentration of a solution

          

  5. chemical bondA process leading to chemical changes in matter; involves the making and/or breaking of chemical bonds