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Photosynthesis in Prokaryotes, Protoctists and Plants only?

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Photosynthesis in Prokaryotes, Protoctists and Plants only?

Postby waupor » Tue Feb 01, 2005 8:30 am

Is there any animals can produce organic food (such as glucose) by it self?
Can the animals produce some phtotsynthetic cells by genetic methods?

If it will, we can produce the food by ourselves without injection.
HA HA !! Dream will be true?
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Postby thank.darwin » Tue Feb 01, 2005 2:41 pm

Well first off prokaryotic cells are things like bacteria that don't have a nucleus and just have free floating DNA. They only have a cell membrane, cytoplasm, DNA, and ribosomes. So prokaryotic cells can't proform photosynthesis because they don't have chloroplasts! Another thing is that plant cells, not animal cells have chloroplasts (chloroplasts take in the suns solar energy and water and produce water and a carbohydrate). What do you mean - we can produce food with out injection?

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Postby mith » Tue Feb 01, 2005 8:46 pm

I always had this dream where some scientist dude grafted cyanobacteria or something on the top of my head. That way I'd be eating whenever there's light and I'm not wearing a hat :lol: . But sorry all the food conglomerates would block this technology if it indeed existed.
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Postby thank.darwin » Tue Feb 01, 2005 9:41 pm

I have to say - that's one weird dream!
waupor- did you get what we said? If not, ask another question :)
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Postby MrMistery » Wed Mar 09, 2005 10:25 pm

I am sorry to dissapoint you thank.darwin but some prokaryotic cells ARE CAPABLE OF PHOTOSYNTHESIS. It is also true that they do not have any chloroplasts. So how do they do it? Well even if they do not have chloroplasts they do have assimilatory pigments. Bacteria stores these pigments in inclusions of the cellular membrane.
Some other organisms are also capable of photosynthesis even thought they do not have chloroplasts. At algee and Euglena virdis the pigments are located in organelles called chromatophores.
Now, about the question. There is no animal capable of photosynthesis because the animal cell does not have assimilatory pigments.
@mithrilhack
I hate to spoile your dream but you would still need to eat in order to get aminoacids, minerals&other stuff like that :D :D
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Postby mith » Thu Mar 10, 2005 12:01 am

I think I can transaminate my own aminos.
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Postby Poison » Thu Mar 10, 2005 4:21 pm

mithrilhack wrote:I think I can transaminate my own aminos.


All of them? how?
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Postby mith » Thu Mar 10, 2005 8:18 pm

well, plants can manufacture their own proteins by transaminating, if I had plant parts should I be able to do the same?
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Postby Poison » Thu Mar 10, 2005 9:41 pm

do u really have chloroplasts? :lol:
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Postby MrMistery » Thu Mar 10, 2005 10:15 pm

If someone had chloroplasts that means he was green. Everyone would run from him because they would think he is some kind of vampire or something...
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Postby thank.darwin » Fri Mar 11, 2005 2:47 am

MrMistery wrote:I am sorry to dissapoint you thank.darwin but some prokaryotic cells ARE CAPABLE OF PHOTOSYNTHESIS. It is also true that they do not have any chloroplasts. So how do they do it? Well even if they do not have chloroplasts they do have assimilatory pigments. Bacteria stores these pigments in inclusions of the cellular membrane.


Thank-you for clearing that up for me! My bio teacher didn't explain that there are prokaryotic cells that are capable of photosynthesis :evil: :cry: :arrow: but now I know! 8)
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Postby MrMistery » Fri Mar 11, 2005 9:40 pm

Glad to be of service thank.darwin 8)
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