1 / 28

Situation: the autotrophs have produced sugar and oxygen. Energy

Situation: the autotrophs have produced sugar and oxygen. Energy 6CO2 + 6H 2 O  C 6 H 12 O 6 + 6O 2 Now – how do we RELEASE the energy in that sugar?. ATP. Need to turn the sugar into ATP is the cell’s energy molecule. What Does ATP Do for You?.

devin
Download Presentation

Situation: the autotrophs have produced sugar and oxygen. Energy

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Situation: the autotrophs have produced sugar and oxygen. Energy 6CO2 + 6H2O  C6H12O6 + 6O2 Now – how do we RELEASE the energy in that sugar?

  2. ATP • Need to turn the sugar into • ATP is the cell’s energy molecule

  3. What Does ATP Do for You? It supplies YOU withENERGY!

  4. Adenine P P Adenine P P How Do We Get Energy From ATP? By breaking the last P – P bond P P

  5. How Does That Happen? An Enzyme! ATPase

  6. When is ATP Made in the Body? • During cellular respiration • both plants & animals do it!

  7. Cellular Respiration:releasing the energy in food as ATP

  8. Question: • In what kinds organisms does cellular respiration take place?

  9. ATP Cellular Respiration is the reverse of photosynthesis C6H12O6 + 6O2 6CO2 + 6H2O+ energy

  10. What are the Stages of Cellular Respiration? In cytoplasm 1. Glycolysis (sugar is split) In mitochondria: 2. The Krebs Cycle (citric acid cycle) 3. The Electron Transport Chain

  11. Cellular Respiration ETC Krebs Cycle Glycolysis

  12. Look at textbook pp 222 - 228

  13. Step 1: Glycolysis Glucose 2 pyruvic acid C-C-C-C-C-C C-C-C + C-C-C • http://www.northland.cc.mn.us/biology/Biology1111/animations/glycolysis.html

  14. Mitochondria • Organellewhere cellular respirationtakes place.

  15. Step 2: Kreb’s Cycle C-C-C CO2 & a whole bunch of NADHs http://www.science.smith.edu/departments/Biology/Bio231/krebs.html

  16. Electron Transport Chain • High energy electrons used to convert ADP to ATP • http://www.science.smith.edu/departments/Biology/Bio231/etc.html

  17. CR: 36 NET ATP Glycolysis C-C-C-C-C-C C-C-C O2 ETC Krebs Cycle CO2 + NADH ATP + H2O

  18. Animation of CR:qcc.cuny.edu/BiologicalSciences/Faculty/DMeyer/respiration.htmlhttp://scholar.hw.ac.uk/site/biology/activity3.asp

  19. What is the formula for cellular respiration? • MONDAY’S essential question (14)

  20. Write a paragraph describing how energy goes from the SUN to ATP. • Use these words in your paragraph: energy; sun; capture; autotroph; heterotroph; sugar; ATP; mitochondria; chloroplast

  21. But what happens when there is no oxygen present?

  22. Only Glycolysis can occur O2 Glycolysis C-C-C-C-C-C C-C-C ETC Krebs Cycle

  23. Fermentation Occurs when O2isNOTpresent AKA anaerobic respiration Two types: Lactic Acid fermentation(muscle cells) Alcoholic fermentation(yeast) • Nets only 2 ATP (instead of 36)

  24. Lactic Acid Fermentation • Animals (pain in muscle after workout) C C C C CC C C C C C C Glycolysis Pyruvic acid Lactic Acid glucose

  25. Alcohol Fermentation • Plants and Fungi  beer and wine C C C C CC C C C C C Glycolysis Pyruvic acid Ethanol glucose

  26. Aerobic or Anaerobic Respiration

  27. Question: • Glucose (carbohydrate) is the main source of food for making ATP from cellular respiration. • What other food molecules can be used in Cellular Respiration?

  28. Other organic molecules used for fuel: 1. Carbohydrates:polysaccharides 2. Fats:glycerols and fatty acids 3. Proteins:amino acids

More Related