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5 Written questions

5 Matching questions

  1. What is a cellular metabolism?
  2. Why are plants healthier in hypotonic environments?
  3. How does it switch to ADP?
  4. What is the plasma membrane?
  5. How is a phospholipid structured
  1. a Forms a boundary between the living cell and its surroundings and controls the traffic of molecules into and out of the cell, takes up substances the cell needs and disposes of the cells wastes
  2. b Every working cell in every organism caries out thousands of exer/endergonic reactions
  3. c With one phosphate group and two fatty acids, has hydrophilic head and hydrophobic tails
  4. d The bonds that keep the three phosphates together are easily broken by hydrolysis, when the bond to the third group breaks the phosphate group leaves ATP which becomes ADP, and energy is released (?)
  5. e Because plants have cell walls which make it harder for the solution to take effect, need more of it

5 Multiple choice questions

  1. A chemical reaction that releases energy, reactants covalent bonds contain more energy than products
  2. A reaction that requires energy, its products have more energy than its reactants, energy is absorbed through surroundings as reaction occurs, energy stored in covalent bonds of product molecules
  3. Endergonic reaction
  4. No, enzyme inhibition often used for regulation cell metabolism
  5. It takes a very long time for all the products to gain enough energy to make it over the energy barrier

5 True/False questions

  1. cfd


  2. How does facilitated diffusion work?The protein receives the molecule and changes shape to launch it out to other side


  3. What is the energy of activation?The amount of energy the reactants must absorb to become active and start a chemical reaction/get over the energy barrier


  4. What is active transport?Requires that a cell expends energy to move molecules across membrane against concentration gradient, low to high concentration, ATP supplies energy for most active transport


  5. What is this message-transfer process called?signl transduction


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