Objectives:
- Diagram energy flow through the biosphere
- Describe the overall summary equation for cellular respiration
- Distinguish between substrate-level phosphorylation and oxidative phosphorylation
- Explain how exergonic oxidation of glucose is coupled to endergonic synthesis of ATP
- Define oxidation and reduction
- Explain how redox reactions are involved in energy exchanges
- Define coenzyme and list those involved in respiration
- Describe the structure of coenzymes and explain how they function in redox reactions
- Describe the role of ATP in coupled reactions
- Explain why ATP is required for the preparatory steps of glycolysis
- Describe how the carbon skeleton of glucose changes as it proceeds through glycolysis
- Identify where in glycolysis the sugar association, substrate-level phosphorylation, and reduction of coenzymes occur
- Write a summary equation for glycolysis and describe where it occurs in the cell
- Describe where pyruvate is oxidized to acetyl CoA, what molecules are produced, and how pyruvate links glycolysis to the Krebs cycle
- Explain at what point during cellular respiration complete oxidation of glucose occurs
- Explain how the exergonic "slide" of electrons down the electron transport chain is coupled to the endergonic production of ATP by chemiosmosis
- Describe the process of chemiosmosis
- Explain how membrane structure is related to membrane function in chemiosmosis
- Describe the fate of pyruvate in the absence of oxygen
- Explain why fermentation is necessary
- Distinguish between aerobic and anaerobic metabolism
- Describe how food molecules other than glucose can be oxidized to make ATP
Videos: (5 main points per)
Respiration
http://khswaveriders.org/apps/pages/index.jsp?uREC_ID=122271&type=u&pREC_ID=video&showMore=1&titleREC_ID=21841
Khan Academy
- Glycolysis
- Krebs / Citric Acid Cycle
- Electron Transport Chain
- Oxidative Phosphorylation and Chemiosmosis
WS:
Guided Notes - How Cells Harvest Energy
Cell Resp Activity 9
Respiration Worksheet - Concept Map
The Mystery of the Seven Deaths
Labs:
None
Animations: (3 main points per)