Biology Unit 4 Cells and Energy Study Guide for TESTName:______

Please answer questions on a separate piece of paper and staple and hand in.

  1. Make sure to review all the organelles and structures of cells from PPT #1. Know the :
  • Structure: what does it look like?
  • Function: and what does it do?
  • Where: Then tell me if it occurs in a plant or animal cell or both
  1. What are the three points of the Cell theory?
  2. What does the term Eukaryotic mean? ______
  3. What does the term Prokaryotic mean? ______
  4. What are the differences between prokaryotic and eukaryotic cells?
  5. What are the MAJOR Differences between a Plant and Animal Cell. Are there any animal cells that photosynthesize?
  6. Label the following cell here on this page.
  1. What kind of cell is this? How do you know?
  2. What are the chemical formulas for Glucose and water
  3. What are the chemical formulas for Carbon Dioxide and Oxygen?
  4. What is the difference between a product and reactant?
  5. What is the chemical equation that represents Photosynthesis?
  6. What is the name of the first reaction of photosynthesis, what are the reactants and what are the products and where does this happen?
  7. What is the source of energy for Photosynthesis?
  8. What is the second step of photosynthesis called (3 names) What are the reactants, what are the products and where does this happen?
  9. In our Inquiry activity, what were the two different pieces of evidence that proved that photosynthesis was occurring?
  10. Where does Cellular Respiration occur in the cell? (2 places)
  11. What is the chemical equation that represents Cellular Respiration?
  12. What are the three steps to cellular respiration? What are the reactants and products at each step and where do each of these steps occur in a cell?
  13. Where do the reactants of cellular respiration come from for animal cells? For plant cells?
  14. Explain why prokaryotic cells can only do the first step of cellular respiration.
  15. Explain how even eukaryotic cells (mainly yeast) can still perform (what step of) cellular respiration without oxygen?
  16. What is the big benefit of having aerobic respiration for organisms?
  17. What does ATP stand for?
  18. How many ATP molecules are created per glucose molecule in cellular respiration for an aerobic organism
  19. How many ATP molecules are created per glucose molecule in anaerobic respiration?
  20. What is the product of respiration that is created when yeast undergoes aerobic respiration when making bread? How do we see that?
  21. Explain how the molecule of ATP is used to gain energy for the cell.
  22. Why is ATP important for cells to make?
  23. In our Cellular respiration lab what was the indicator we used? What happened to this that proved CO2 was produced and why?
  1. Thinking about plant cells, how is photosynthesis related to cellular respiration?
  2. Why are phospholipids important?
  3. Draw a single phosphor lipid and identify the hydrophobic and hydrophilic regions.
  4. Why is it important for a cell to have a Bi-Layer of phospholipids?
  5. What are the two basic concepts that make cell transport possible?
  6. Cell membranes are said to be selectively permeable. What does this mean?
  7. A concentration gradient is the ______
  8. Describe the two basic types of cell transport and what they require.
  9. Diffusion is the movement of molecules______
  10. Describe what is needed for facilitated diffusion
  11. Osmosis is a special kind of diffusion of ______only.
  12. Cells need to pump in some molecules using special ______. This takes ATP.
  13. The act of engulfing a molecule or organism is called______
  14. When a vesicle binds to the cell membrane and releases product to the outside of the cell, this is called______
  15. Osmosis is helped by ______proteins in the cell membrane. These are called______
  16. Cells are more efficient if they are ______. Prokaryotes are limited by their ______
  17. A solvent is______. A solute is the______
  18. Define Hypo, Hyper and Isotonic solutions.
  19. What would happen to a blood cell if it was suspended in a beaker of 25% salt solution? Is the solution Hypo or Hypertonic compared to the cell? Will water flow into the cell or out of the cell?
  20. What is the relationship between photosynthesis and cellular respiration?
  21. Draw a concept map of the different types of cellular transport using these words: Diffusion , Facilitated Diffusion, Channel Protein, Active Transport, Carrier Protein, Passive Transport,

No ATP, Requires ATP, Endocytosis, Exocytosis

  1. An increase of CO2 in the atmosphere can be disastrous in many ways. Describe 2 ways that the concentration of CO2 affects the environment and why.