Cellular Respiration
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Cellular Respiration Laboratory Investigation. Measuring respiration in living organisms . What types of organisms carry out aerobic cellular respiration? How do we know? How can we measure the rate of respiration? C 6 H 12 O 6 + 6O 2  6CO 2 + 6H 2 O.

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Cellular Respiration Laboratory Investigation

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Cellular respiration laboratory investigation

Cellular Respiration

Laboratory Investigation


Measuring respiration in living organisms

Measuring respiration in living organisms

  • What types of organisms carry out aerobic cellular respiration?

  • How do we know?

  • How can we measure the rate of respiration?

    C6H12O6 + 6O2 6CO2 + 6H2O


Measuring respiration in living organisms1

Measuring Respiration in Living Organisms

  • Hypothesis 1 - Organismal

    • Cricket vs. Germinating Pea vs. Dry Pea

      • Rank the organisms from high to low rate of respiration, and explain.

  • Hypothesis 2 - Temperature

    • Low vs. Room, explain your reasoning

      • Cold greater than warm

      • Warm greater than cold

      • Equal rates

      • No respiration for either


Measuring respiration in living organisms2

Measuring Respiration in Living Organisms


Preparations

Procedure

Preparations

  • Place probe in chamber (don’t twist!)

  • Wait 2min before collecting data

  • Collect data for two minutes

  • Hit stop

  • Save the file as

    • [grp#][org][temp]

    • Email to me

  • Set up low temp first

    • Put orgs in chamber

    • Put chamber in plastic beaker and fill around with ice

  • Run room temp while orgs are cooling down

  • Run low temp after 10 minutes


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