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Light as a Factor in
PhotosynthesisGERANIUM LEAF LAB
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Pigment as a Factor in
PhotsynthesisColeus Leaf Lab
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Sketch the Original
variegated Coleus
leaf shownColor
matters!
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Sketch the Coleus leaf
after treatment (boiled)
with alcohol
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Sketch the Coleus leaf
after treatment
with Lugols
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QUESTIONS TO CONSIDER:
1.What did the Lugol’s indicate about the leaf?
2.Where is this substance found in the leaf?
3.Write a brief conclusion for this experiment.
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Elodea Lab
Gas as afactor in
Photsynthesis
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Sketch the bottle
with Elodea
and BTB, remembe
r color matters!
DAY 1 in Light
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Sketch the bottle with Elodea and
BTB, remember
color matters!
DAY 2 after 24 hours
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Questions to consider:
1.What does BTB test for?
2.What changes did you observe in the bottle?
3.Why did these changes occur?
4.What does this indicate?
5.Write a brief conclusion for this experiment.