Aerobic anaerobic respiration
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Aerobic/Anaerobic Respiration. Elissa Seidman Edwin Yu. - The Marathon - . If somebody challenged you to a run a race, how should you prepare to win? Practice Eat the right foods Drink the right liquids.

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Aerobic anaerobic respiration l.jpg

Aerobic/AnaerobicRespiration

Elissa Seidman

Edwin Yu


The marathon l.jpg
- The Marathon -

  • If somebody challenged you to a run a race, how should you prepare to win?

    • Practice

    • Eat the right foods

    • Drink the right liquids


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All living organisms break down sugars to get energy. In humans this breakdown usually occurs with oxygen.


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Aim: humans this breakdown usually occurs with oxygen.

To understand how Aerobic and Anaerobic Respiration Occurs


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SWBAT: humans this breakdown usually occurs with oxygen.

  • Learn how the type of sugar affects the rate of respiration.

  • Learn how the concentration of sugar affects the amount of energy produced.

  • Determine the rate of respiration while using yeast to breakdown different sugars.


What is aerobic respiration l.jpg
What is Aerobic Respiration? humans this breakdown usually occurs with oxygen.

  • The breaking down of sugar to produce energy where oxygen is present.

Glucose + Oxygen  Carbon Dioxide + Water+ Energy


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When We Exercise… humans this breakdown usually occurs with oxygen.

  • After two minutes of exercise, the body responds by supplying working muscles with oxygen.

  • When oxygen is present, glucose can be completely broken down into carbon dioxide and water


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Anaerobic Respiration humans this breakdown usually occurs with oxygen. refers to the oxidation of molecules in the absence of oxygen to produce energy

It is also known

As Fermentation


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What happens when fermentation occurs? humans this breakdown usually occurs with oxygen.

  • In Muscle Cells- During extraneous activities, the oxygen in the muscle tissue is decreased to an extent that aerobic respiration does not occur at a sufficient rate. Hence, there is a buildup of lactic acid and your muscles get tired

  • 2. In Yeast- The fermentation end product is ethyl alcohol, and CO2


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Chemical Formula for Anaerobic Respiration humans this breakdown usually occurs with oxygen.

Energy + Glucose

Ethanol + Carbon Dioxide + Energy


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Lab Experiment humans this breakdown usually occurs with oxygen.

We will be testing four different drinks to see which will give us the most energy


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So how do we decide which is best? humans this breakdown usually occurs with oxygen.

Hint: Go back to the formula



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CO the enzyme2 Gas Sensor

Lab Procedure

  • CO2 Gas Sensor to measure total concentration of CO2


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Lab Procedure the enzyme

  • Incubate the yeast solution in a 37 – 40 water bath

  • Label the five test tubes G, C, F, M, and W

  • Pour 2.5 mL of Gatorade into the test tube labeled G

    • Pour 2.5 mL of Coke into the test tube labeled C

    • Pour 2.5 mL of fruit juice into the test tube labeled F

    • Pour 2.5 mL of milk into the test tube labeled M

    • Pour 2.5 mL of water into the test tube labeled W

  • Lightly stir the yeast suspension to mix the yeast that settled to the bottom.

  • Put 2.5 mL of the yeast suspension into all five of the test tubes.

  • Then incubate the test tubes for 10 minutes in the water bath.

  • Place the Gas Sensor, and start collecting the data. for 4 minutes.


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