AP BIOLOGY INTRODUCTION TO CELL RESPIRATION ONLINE SIMULATION (mod’ 2013)

Directions: Complete this worksheet prior to the PPT lecture on cellular respiration. Go to the website indicated below and begin with the first image of the mitochondria. Answer all questions as your proceed through the simulation on the mitochondria.

Website:

  1. Check out the mitochondria. List three facts about the mitochondria from this first slide.

______(>)

  1. What four thing does the inner matrix include? ______, ______, ______, ______

Where does the Krebs cycle occur? ______(>)

  1. Where does glycolysis occur? ______
  2. How many ATP result from glycolysis; what form do they take?

______, ______

  1. In addition to the generation of ATP, 2 NADH + H+ are formed. What are these two products equivalent to? ______
  2. After the formation of these products in glycolysis, what is left and what happens to it? ______(>)
  3. When the pyruvic acid is fully degraded, what is left? ______and ______(>)
  4. What type of energy molecule is produced during Krebs? ______
  5. What IS produced during the Krebs cycle, where do they go and how do they get there?

Produced: ______

Where do they go? ______

How do they get there? ______-

  1. Describe the makeup of the inner membrane. What parts are located there? ______
  2. Describe the roles of the parts in this inner membrane. ______
  3. General shapes are shown: Read over information here. (>)
  4. What happens first to set off the series of reactions that makeup the electron transport chain? ______
  5. When the protons are passed to flavins, what comes along? ______
  6. What movement is taken by the electrons as they move through complex III? ______

By the time the electrons get to complex IV, the energy is depleted (spent). (>) What happens next? ______

What role does Heme a3 play in regulating the interaction between oxygen and electrons? ______(>)(>)

When are the oxygen and electrons joined? What is the result? ______

(>)

  1. What is the difference between in hydrogen ion concentration between inner and outer compartments? ______

What is the impact on pH? ______(>)

  1. What is the role of ATP synthetase? ______