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Notes 7.1 – Glycolysis
Cell Respiration Part 1Page 131
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Standards
CLE 3210.3.3 Investigate the relationship between the processes of photosynthesis and cellular respiration.SPI 3210.3.3 Compare and contrast photosynthesis and cellular respiration in terms of energy transformation.
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Objectives
Identify the reactants and products of GlycolysisEvaluate situations when a cell must use anaerobic vs. aerobic respirationSummarize the major events in Glycolysis
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Find a Partner
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Dogs
Tell your partner what making a bond means in terms of energy?
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Ducks
Tell your partner what breaking a bond means in terms of energy?
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With your Partner:
Look up the definition of “cellular respiration” Determine if both plant and animal cells can perform cellular respiration.
Give evidence to support your answer.
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Electron Transport Chain
Overview of Cell Respiration
Equation:
Three Main Parts: --
Glycolysis – Happens in cytosol
Krebs Cycle– Happens in mitochondria
C6H12O6 + O2 CO2 + H2O + ATP (energy)
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Glycolysis
Reactants:
Products:
Glucose, 2 ATP, NAD+
Pyruvate – moves to Kreb Cycle H2O – becomes part of cytosol 4 ATP – used by cell NADH – moves to electron transport chain
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With your partner
Think about the following question:
If Glycolysis makes 2 molecules of water,why do we need to drink water?
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Net Gain
What if I told you that if you put 50 cents into a vending machine, it would give you a dollar?
Would you put in 50 cents?Why?What would be your profit?Profit (Net gain) = amount gained - amount invested
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Net Gain_____ ATP are required to start Glycolysis
_____ ATP are produced
______ = the net gain of energy produced by Glycolysis
2
4
2
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What happens to Pyruvate?
Two possible paths:
Pyruvate
Aerobic Respiration
(mitochondria)
Fermentation (cytosol)
Lots of ATP
Some ATP
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With your Partner
Look in the book and list 2 situations where fermentation is used instead of aerobic respiration.
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Exit Ticket
m.socrative.comRoom: stewart348