Science
SWOSU Photosynthesis Respiration and Fermentation Lab Report

Southwestern Oklahoma State University

Question Description

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Section:

Lab Report 8: Energetics: Photosynthesis, Respiration, and Fermentation

Some leaves are variegated. That is, they display colors other than green (e.g. the Coleus plant).

Still other plants have leaves that contain areas of white. Use the information from the lab to

identify the probable source of ATP for plant cells located in the white regions of the leaf.

There is a mutation in corn that produces albino (white) plants. What is the potential for long-

term survival of these white corn plants? Explain.

Use the summary equations for photosynthesis, respiration, and the interaction of water and

carbon dioxide to explain the color changes observed with Elodea grown in Phenol Red.

Are yeast cells autotrophs or heterotrophs? Explain why you think so.

Explain the following statement.

All food energy ultimately comes from the sun.

Combustion of organic molecules (e.g. wood, fossil fuels, etc.) produces carbon dioxide, carbon

monoxide and other substances. Carbon dioxide and other gases are so-called greenhouse gases that can contribute to global warming and climate change. Based on the experiments and

demonstrations we have done today, what is an other effect might increased environmental

carbon dioxide might have on aquatic environments? (Hint: Phenol Red color change)

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Name: Section: Lab Report 8: Energetics: Photosynthesis, Respiration, and Fermentation Some leaves are variegated. That is, they display colors other than green (e.g. the Coleus plant). Still other plants have leaves that contain areas of white. Use the information from the lab to identify the probable source of ATP for plant cells located in the white regions of the leaf. There is a mutation in corn that produces albino (white) plants. What is the potential for longterm survival of these white corn plants? Explain. Use the summary equations for photosynthesis, respiration, and the interaction of water and carbon dioxide to explain the color changes observed with Elodea grown in Phenol Red. Are yeast cells autotrophs or heterotrophs? Explain why you think so. Explain the following statement. All food energy ultimately comes from the sun. Combustion of organic molecules (e.g. wood, fossil fuels, etc.) produces carbon dioxide, carbon monoxide and other substances. Carbon dioxide and other gases are so-called greenhouse gases that can contribute to global warming and climate change. Based on the experiments and demonstrations we have done today, what is an other effect might increased environmental carbon dioxide might have on aquatic environments? (Hint: Phenol Red color change) What kinds of approaches might reduce the amounts of carbon dioxide accumulating in the atmosphere? What is the meaning of the quotation at the beginning of this lab exercise? ...
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Final Answer

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Name:
Section:
Lab Report 8: Energetics: Photosynthesis, Respiration, and Fermentation

1. Some leaves are variegated. That is, they display colors other than green (e.g. the Coleus
plant). Still, other plants have leaves that contain areas of white. Use the information
from the lab to identify the probable source of ATP for plant cells located in the white
regions of the leaf.
The plant has broad leaves to ensure sufficient absorption of light by the other sections
with photosynthetic pigments. The light is used for photosynthesis to generate enough
energy for the plant. The white sections of the leaves may contain traces of chlorophyll
pigments that can photosynthesize and generate energy for the plant
2. There is a mutation in corn that produces albino (white) plants. What is the potential for
the long-term survival of these w...

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