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Biology/C3 and C4 photosynthesis cycle

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Question
what is the main difference between c4 and c3 plants? how one plant's photosynthetic cycle can be converted from one to another?
i am stuck in this question for many days and nobody is answering me hope that you will help!!

Answer
Dear Seep,

I can't do your homework for you.  But I can refer you to my botany lecture notes that I hope will help you answer this question:

http://www.bio.miami.edu/dana/226/226F08_10.html

Use your browser "find" function with the key phrase: " Some plants, across about 19 different families, " and it will take you right to the section on C4 plants.  The rest of the lecture is a general overview of photosynthesis, if you think that might be useful.

Hope this helps.

Dana

Biology

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Dana Krempels, Ph.D.

Expertise

I can answer biology-related questions in the areas of evolution, zoology, botany, genetics, and ecology. But I don't answer homework questions or provide ideas for your science fair projects. So students please do your learning the right way by reading your text assignments and studying!

Experience

At the University of Miami, I teach Evolution and Biodiversity, Botany, Zoology, Genetics, Ecology, and a variety of seminars (e.g., the Biology and Evolution of Human Gender Roles).

Education/Credentials
I have a B.S. in Biology and an A.B. in English from the University of Southern California (1980). I earned my Ph.D. in Biology in the area of evolutionary biology/visual physiology from the University of Miami in 1989.

Past/Present Clients
I am currently an "expert" in both the "Rabbits" and "Wild Animals" categories.

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