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Understanding ATP and Aerobic Respiration Chemistry

Explore how ATP supplies energy and the biochemical processes of aerobic respiration. Learn about glycolysis, ATP function, and where respiration occurs in the body. Whiteboards available for interactive learning.

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Understanding ATP and Aerobic Respiration Chemistry

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  1. National 4/5 Biology Respiration c. ATP and the chemistry of respiration

  2. What have I learned? • White boards • Answer the following: • What is respiration? • What raw materials are required for respiration to take place? • How do these raw materials enter the cells? • What are the products of respiration? • Where in the body does respiration occur? • Suggest a cell(s) that may have a lot of mitochondria?

  3. What are we learning today? We are learning to: • State what ATP is? • State what ATP is used for? • Describe the processes involved in aerobic respiration Success criteria: • ATP and how it supplies energy • Aerobic respiration in terms of glycolysis and how many ATP are produced

  4. Adenosine Triphosphate (ATP) Adenosine Pi Pi Pi • ATP is an immediate stored source of energy found in most cells • ATP has the following structure 3 molecules of inorganic phosphate 1 molecule of adenosine

  5. What is ATP? cont’d • For the energy stored in ATP to be released it has to be broken down to ADP and Pi releasing energy ATP ADP + Pi high energy build up requiring energy low energy • When energy is stored ADP and Pi are converted back into ATP

  6. Role of ATP • ATP makes energy available for energy requiring processes: • - muscular contraction • - cell division • - protein synthesis • - transmission of nerve impulses • ATP is the link between energy consuming, and energy releasing reactions

  7. Chemistry of Respiration • Respiration is the re-generation of ATP • It is a complex series of biochemical reactions

  8. Aerobic RespirationWhat is involved? • Occurs in presence of oxygen • Glycolysis • Means glucose splitting • Glucose is split into 2 molecules of pyruvic acid • The pyruvic acid goes through many more enzyme controlled reactions releasing carbon dioxide and finally producing water • As the reactions proceed ATP is generated • 38 ATP molecules are produced for every molecule of glucose

  9. Recap Write an exit summary to tell me the following: • What is ATP? • What is ATP used for? • How does ATP supply energy? • Describe the processes involved in aerobic respiration: • What is glycolysis? • What is glucose split in to? • How many ATP are produced per glucose molecule?

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