BIOS 135 Lab Report Format for ModelChem Labs
I. Title Leaf Lab Week 5 iLab
II. Introduction
Photosynthesis is a process that allows plants to capture the energy of light from the sun and utilizes it in order to change things like carbon dioxide and water into carbohydrates and oxygen. Th...
bios 135 lab report format for modelchem labs i title leaf lab week 5 ilab ii introduction photosynthesis is a process that allows plants to captur
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BIOS 135 Lab Report Format for ModelChem Labs
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BIOS 135 Lab Report Format for ModelChem
Labs
I. Title Leaf Lab Week 5 iLab
II. Introduction
Photosynthesis is a process that allows plants to capture the energy of light from the
sun and utilizes it in order to change things like carbon dioxide and water into
carbohydrates and oxygen. The following experiment will show the reactions of
photosynthesis as they occur inside the tomato leaf compared to the corn leaf. The
tomato leaf will perform a C-3 photosynthesis, but the corn leaf performs a C-4
photosynthesis. In the following experiment, I will show what light intensity does
between the two leaves and how they take in CO2 in different lightings.
There are two stages of photosynthesis that primarily depend on light. The rate of
photosynthesis is directly proportional with the intensity of the light until there is a
point where all the pigments are occupied and cannot absorb any more light energy.
Below, you can find the overall reaction for photosynthesis and its product:
Demonstrate how photosynthetic rates in different plants can change in response to
factors such as light intensity, light quality, CO2 concentration, and temperature.
Simulate measurements of CO2 assimilation rates in leaves.
Investigate dark respiration, photochemical efficiency, CO 2 conductance,
carboxylation efficiency, light compensation points, and photosynthetic saturation.
Compare photosynthesis in C3 and C4 plants.
Study the effects of polyploidy on photosynthetic rates.
1) Set up equipment – light source, heat filter, leaf chamber, drying column, infrared
gas analyzer
2) Measure surface area of leaf
3) Place the leaves inside chamber
4) Set flow of C02 to 500 ml/min for tomato leaf and 5000 ml/min for corn leaf
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