Review Puzzle for Exam 1, Ch 5-8

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Across
  1. 4. The _____ binds to the active site on an enzyme (hint: it’s the name given to the reactants in an enzyme-catalyzed reaction)
  2. 8. Osmosis is the diffusion of ______ across a selectively permeable membrane
  3. 11. This is the main pigment that absorbs sunlight in photosynthesis
  4. 12. The light reaction pathway in photosynthesis takes place in the _____ membranes
  5. 13. Free energy is energy that is available to do _____
  6. 15. The abbreviation for the pathway in cellular respiration that produces the most ATP
  7. 16. Cellular eating
  8. 17. Membrane proteins that hold cells together in a tissue are called cell ______.
  9. 18. Enzymes are able to speed up the rate of a chemical reaction because they lower the amount of energy needed to start the reaction, also known as the reaction’s _______ (2 words)
  10. 19. If oxygen is not present, this is the next step in the break-down of glucose after glycolysis
  11. 20. This molecule makes up the foundation of the plasma membrane and forms a bilayer
Down
  1. 1. Glycolysis takes place in what part of the cell?
  2. 2. This molecule is required for cellular respiration and is also the waste product in photosynthesis
  3. 3. If you place a cell in distilled water, water will enter the cell, causing it to expand. The distilled water is _____ relative to the solution in the cell
  4. 5. The membrane protein that is used in cellular respiration and photosynthesis to synthesize ATP (2 words)
  5. 6. This process breaks down glucose in order to harvest energy from it. The cell uses this energy to do work (2 words).
  6. 7. When a molecule binds to the active site of an enzyme and permanently inactivates the enzyme, this is known as ______ inhibition
  7. 9. ____ transport moves molecules across a cell’s membrane against their concentration gradient by using energy (ATP)
  8. 10. In an ______ reaction, energy is consumed (ball rolling uphill)
  9. 14. During the Calvin cycle or light-independent reactions in photosynthesis, this molecule is converted to glucose using the energy in ATP and NADPH (2 words)
  10. 18. The abbreviation for an energy-carrying molecule that, when split apart, provides a lot of energy for our cells to do work. Hint: this molecule is created during cellular respiration