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EFFECT OF LIGHT ON RATE OF PHOTOSYNTHESIS TABLE 6.2: OXYGEN PRODUCTION AT 40 CM DISTANCE Minutes ? 0 5 10 15 20 Elodea (ml) 0.2 0.21 0.23 0.25 0.27 Control (ml) 0.2 0.2 0.2 0.21 0.21 Elodea - Control (graphing data) 0 0.01 0.03 0.04 0.06 TABLE 6.3: OXYGEN PRODUCTION READING AT 25 CM DISTANCE Minutes ? 0 5 10 15 20 Elodea (ml) Control (ml) Elodea - Control (graphing data) Using the above experimental data and graph provided in the Lab 6 PowerPoint on Canvas, answer the following questions: 5. At the end of the 20-minute experiment, what two gasses are present in the tube containing Elodea? 6. If the light intensity experiment had been conducted with only the tube containing the plant, the second tube (without plant) not included, would this experiment be valid? Why or why not? Explain. 7. Based on the data above, how does light intensity or distance from light source affect rate of oxygen production? 8. Photosynthesis involves two distinct processes: The Light Reactions are said to be light-dependent, while the Calvin cycle is said to be light-independent. a. What is/are the primary product(s) of the light-dependent reaction (Light reactions)? b. What is/are the primary product(s) of the light-independent reaction (Calvin cycle)? c. In which of the above reactions is water split to produce oxygen?

          EFFECT OF LIGHT ON RATE OF PHOTOSYNTHESIS

TABLE 6.2: OXYGEN PRODUCTION AT 40 CM DISTANCE
Minutes ? 0 5 10 15 20
Elodea (ml) 0.2 0.21 0.23 0.25 0.27
Control (ml) 0.2 0.2 0.2 0.21 0.21
Elodea - Control (graphing data) 0 0.01 0.03 0.04 0.06

TABLE 6.3: OXYGEN PRODUCTION READING AT 25 CM DISTANCE
Minutes ? 0 5 10 15 20
Elodea (ml)
Control (ml)
Elodea - Control (graphing data)

Using the above experimental data and graph provided in the Lab 6 PowerPoint on Canvas, answer the following questions:
5. At the end of the 20-minute experiment, what two gasses are present in the tube containing Elodea?

6. If the light intensity experiment had been conducted with only the tube containing the plant, the second tube (without plant) not included, would this experiment be valid? Why or why not? Explain.

7. Based on the data above, how does light intensity or distance from light source affect rate of oxygen production?

8. Photosynthesis involves two distinct processes: The Light Reactions are said to be light-dependent, while the Calvin cycle is said to be light-independent.
a. What is/are the primary product(s) of the light-dependent reaction (Light reactions)?
b. What is/are the primary product(s) of the light-independent reaction (Calvin cycle)?
c. In which of the above reactions is water split to produce oxygen?

EFFECT OF LIGHT ON RATE OF PHOTOSYNTHESIS

TABLE 6.2: OXYGEN PRODUCTION AT 40 CM DISTANCE
Minutes ? 0 5 10 15 20
Elodea (ml) 0.2 0.21 0.23 0.25 0.27
Control (ml) 0.2 0.2 0.2 0.21 0.21
Elodea - Control (graphing data) 0 0.01 0.03 0.04 0.06

TABLE 6.3: OXYGEN PRODUCTION READING AT 25 CM DISTANCE
Minutes ? 0 5 10 15 20
Elodea (ml)
Control (ml)
Elodea - Control (graphing data)

Using the above experimental data and graph provided in the Lab 6 PowerPoint on Canvas, answer the following questions:
5. At the end of the 20-minute experiment, what two gasses are present in the tube containing Elodea?

6. If the light intensity experiment had been conducted with only the tube containing the plant, the second tube (without plant) not included, would this experiment be valid? Why or why not? Explain.

7. Based on the data above, how does light intensity or distance from light source affect rate of oxygen production?

8. Photosynthesis involves two distinct processes: The Light Reactions are said to be light-dependent, while the Calvin cycle is said to be light-independent.
a. What is/are the primary product(s) of the light-dependent reaction (Light reactions)?
b. What is/are the primary product(s) of the light-independent reaction (Calvin cycle)?
c. In which of the above reactions is water split to produce oxygen?

Added by Jason S.

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