ATP, Photosynthesis and Cellular Respiration WebquestName: ______

Biology Date: ______Period: ______

Objective: In this web quest investigation, you will use the internet to research topics related to ATP, Photosynthesis and Cellular Respiration. Use the web links provided to answer the following questions. Happy searching!

What is ATP?

  1. How does energy get converted from food molecules to muscles? ______
  2. According to the webpage, the analogy for ATP is that ATP works like a rechargeable ______.
  3. Click on the arrow to the next page. Pull apart the ice cream. What happens when food is broken down in the body? ______
  4. Pull a Phosphate from the recharged ATP, what happened? ______

ATP Synthase the Movie:

Watch the following movie, you can pause if needed. Answer the following questions.

  1. What is a gradient? ______
  2. What is the enzyme that restores ADP back to ATP? ______
  3. In which organelle is ATP synthesized or made? ______
  4. What type of ion is built into a gradient so ATP synthase can work? ______
  5. What does the top part of ATP synthase do when Hydrogen ions enter? ______
  6. How many ions have to enter in order for ATP synthase to have enough energy to make ATP? ______
  7. How is the gradient of ions maintained in the mitochondria? ______

What is Photosynthesis?

  1. Where on the plant does photosynthesis take place?______
  2. The energy from the sun enters into what organelle in the plant?______
  3. How does the plant get water for photosynthesis?______
  4. What gas enters the plant for photosynthesis? ______
  5. Where does it enter the plant?______
  6. What gas exits the plant during photosynthesis? ______
  7. Where does it exit the plant?______
  8. What is the overall equation for photosynthesis?______

The Light reaction of Photosynthesis:

  1. What is split to replenish the electrons (that also makes Oxygen gas)?______
  2. The excited electrons pump what ion to create a gradient?______
  3. The ATP synthase uses this gradient to restore ADP back to ATP. ______

What is this process called?

The Dark reaction of Photosynthesis:

  1. In what part of the chloroplast does the dark reaction take place?______
  2. What gas is taken in to start the Calvin Cycle?______
  3. What are the 2 products of the light reaction used in the Calvin Cycle?______
  4. What is the final product of the Calvin Cycle?______

Overview of Photosynthesis Labeling. Label the following picture below. 27 & 28

What is Cellular Respiration?

29. What molecule enters Glycolysis? ______

30. Where is the energy stored?______

31. How is energy extracted from glucose? ______

32. What is the name of the enzyme that removes hydrogen/electrons from glucose? ______

33. What does NAD stand for?______

34. What is NADH job? ______

35. Where is the Electron Transport Chain located?______

36. What does it mean when glucose has been “oxidized”? ______

37. Where does the ETC get its energy to synthesize ATP?______

38. What molecule is made when H+ ions and O- Ions combine?______

39. What is the pathway to make ATP? ______

What is Glycolysis?

40. What is the main reactant for glycolysis? ______

41. What is the product of glycolysis?______

42. How many ATP molecules of ATP are used to start glycolysis? ______

43. What are the 3 carbon molecules called? ______

44. What molecule is required for aerobic conditions? (Not on slide, think!) ______

45. What happens if there are anaerobic conditions, what is pyruvate converted into? ______

(Aka the source of sore muscles!)

Alcoholic Fermentation in Yeast:

In this animation, use the enzymes to convert glucose into ATP.

46. When you add the fifth enzyme (dark purple) to pyruvate, what did you have to add? ______

47. When you added the sixth enzyme to pyruvate with Phosphate and ADP, what did it make? ______

48. When you add the final enzyme, what were the products of the reaction? ______

Overview of Cellular Respiration Labeling. Label the following picture to the left. 43-48.