Leaflab Report Essay Example

Pages: 3 (953 words) Published: September 18, 2011
Marlena Ferone
LeafLab
Biology 101 - Professor Landry
University of Phoenix
Due Date: August 30, 2011

EXPLORATION

What is the relationship between the increase in light intensity and the photosynthetic rate in leaves from a corn plant? How does this relationship compare with what you observed for tomato plants?

As light intensity increases, the photosynthetic rate of a plant increases as well. However biochemical reaction, in fact, DO have temperature limits because if the temperatures reach a certain degree and overheat, the enzymes will get damaged and/or lost and inevitably die. Therefore, temperatures must be a tolerable limits in order to increase a photosynthetic rate. Photosynthesis at low temperatures actually take CO2 more efficiently. The rate of photosynthesis is decreased by higher oxygen concentrations. Lower temperatures inhibit Rubisco and forces this enzyme to to work competitively. Rubisco works competitively because is actually binds itself to oxygen rather than binding to carbon dioxide because of the mere attraction. Therefore, in doing so, this activates photorespiration rather than photosynthesis. Photosynthesis in corn is different from photosynthesis in a tomato. Corn is part of CO4. CO4 plants are actually able to capture CO2 into precursor acids. In doing so, CO2 is kept at a constant rate. Increases and decreases in temperature do not affect the rate of CO2. Corn is able to continue efficient energy production which surprisingly allows it to grow no matter what the obstacle may be. This relationship compares with what I have observed for the tomato plant because unlike corn it is unable to convert carbon dioxide and water into oxygen and organic matter as efficient. Tomato plants are heavily effected on increasing temperatures on the rate of photosynthesis. Corn plants, unlike tomato plants, are able to eliminate some energy waste of photosynthesis by isolating processes int different parts of the plant where heat...
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