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5 Written questions

5 Matching questions

  1. What is a concentration gradient?
  2. How does it switch to ADP?
  3. What is osmoregulation
  4. What is a hypertonic solution?
  5. How does the cell use ATP this to fuel an endergonic reaction?
  1. a It transfers the phosphate group of ATP (now ADP) to another molecule
  2. b A solution whose pH is higher than that of the cells, cell loses water, shrivels
  3. c 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 (?)
  4. d The amount a substance can diffuse down to until it reaches equilibrium
  5. e The way of an plant/animal to prevent excessive uptake or excessive loss of water

5 Multiple choice questions

  1. 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
  2. Adenosine Triphosphate, powers nearly all forms of cellular work
  3. With one phosphate group and two fatty acids, has hydrophilic head and hydrophobic tails
  4. When molecules are too big to pass through membrane, so they go through protein to be able to get to the other side
  5. When theres more water on one side of the membrane than the other, then the water molecules on the side with more water bind to the solute molecules in order to equal out the amount of water on both sides, because now there are less free water molecules on the side where there was once more. This creates an equilibrium

5 True/False questions

  1. What is cellular respiration?The way cells release energy, chemical process that uses oxygen to convert the chemical energy stored in fuel molecules to form chemical energy that the cell can use to perform work


  2. tonicityd


  3. What type of reaction is this? burning of wood releases glucose molecules energy as heat and lightEndergonic reaction


  4. What is osmosis?The diffusion of water across a selectively permeable membrane


  5. What is the solution? and why?The sight where the enzyme and substrate react together, specific because the active sight only fits one substrate