1. why is having more surface area beneficial?...
TRANSCRIPT
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1. Why is having more surface area beneficial?
2. Why do living things have to do cellular respiration?
3. What is fermentation?4.How is the reaction formula of
respiration similar to the formula for ethanol combustion (pg. 41)?
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Cellular Respiration:
C6H12O6 + 6O2 6CO2 + 6H2O
Ethanol Combustion:C2H5OH + 3O2 2CO2 + 3H2O
Logistics
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Cellular Respiration:
C6H12O6 + 6O2 6CO2 + 6H2O
Ethanol Combustion:C2H5OH + 3O2 2CO2 + 3H2O
Carbon-based fuel + oxygen carbon dioxide + water
Logistics
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• Open to page 46
Cellular Respiration
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• Where does cellular respiration happen?
Cellular Respiration
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Cellular Respiration
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• What is the goal of cellular respiration?
Cellular Respiration
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• How much total ATP is produced during respiration?
Cellular Respiration
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Total ATP from Cellular Respiration• Glycolysis, the Krebs cycle, and the electron transport chain
release up to 32 molecules of ATP per molecule of glucose
2
2
28
CO2
Total ATP?
Up to 32
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• Sometimes oxygen is not available for cellular respiration to occur
Anaerobic Respiration
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Fermentation• In the ABSENCE OF OXYGEN FERMENTATION
produces ATP
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Fermentation• Two Kinds:
1. Alcoholic fermentation
2. Lactic acid fermentation
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Alcoholic Fermentation
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Alcoholic Fermentation
• Performed by yeasts and a few other microorganisms
Pyruvic acid → Alcohol + CO2
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Lactic Acid Fermentation
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Lactic Acid Fermentation
• Most organisms carry out lactic acid fermentation
Pyruvic acid → Lactic Acid
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• The last thing we have to do for semester 1 is the District Common Assessment
• DO YOUR BEST!
Common Assessment
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• When you are done:
• Make two piles on the front desk
• NO CELL PHONES
Common Assessment
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Intermission
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• Welcome to Unit 5 and Semester 2!
Logistics
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Cells (unit 4)
• CHANGE OVER TIME
• Evolution (unit 8)
• Genetic material (unit 7)
• Homeostasis (all units)
Metabolism (unit 4)
• REPRODUCTION
• Response to stimuli (all units)
Characteristics of Life
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• During this unit we will look at how cells are created from preexisting cells, how that helps organisms change over time, and possibly reproduce
Cell Growth and Division
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• To start this unit we are going to use Planaria (flat worms) as an example organism
Cell Growth and Division
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• https://www.youtube.com/watch?v=m12xsf5g3Bo
Cell Growth and Division
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• Let’s meet our new class pets!
Cell Growth and Division