why do plants respire? Watch

786_786
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#1
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#1
other than the basic answer, for energy to survive.

thnaks in advance
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Mwoah
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#2
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#2
You answered your own question. Pretty important reason.
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Illyria
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You mean all the processes, like active transport? That's a major one for plants, so they can absorb N, P, K and Mg, among other things.
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A Lesson to Learn..
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Respiration also keeps the oxygen concentration in the cells below that in the soil to maintain a diffusion gradient during gas exchange in the plant. But this is so that more respiration can occur anyways..
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786_786
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#5
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i mean like an A2 level answer -- obvioulsy just saying for energy to survive would get me no marks, how can i add detail etc
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zdo0o
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would an A level question just say "why do plants respire?" ? surely the question would be deeper..
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786_786
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#7
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can people either answer the question or not post stupid posts like why would the question ask me that...i can't be bothered to write an essay on why i need help on the question
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786_786
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#8
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(Original post by dorian gray)
Why don't you look over your notes to do your homework?

obviously i already have before posting on here but my A level notes just explain how respiration actually happens like the whole krebs cycle thing etc instead of why
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LiL MiSs cHeEkY
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in order to release energy from glucose and make it available in the form of ATP for chemical, osmotic and other work.
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Oladz
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#10
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Plants respire so they can produce ATP.

The question might alternatively be phrased as "What is ATP used for in plants?"

Active transport
Catabolic reactions
Anabolic reactions

Those are the main things i can think of.
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chemicalguy
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#11
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Agree with Oladz
Look up generic roles for ATP. Obvious during photosynthesis they form ATP in abundance, but that ATP would be unavaliable in roots and other sink regions. Thus mass flow of sucrose and the availabilty of substrate for resiration to make ATP for metabolic processes, protein synthesis, phospholipid syntheis etc etc
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Wangers
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#12
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This is classic dumbing down. Why not think for yourself? Consider, supposing plants can't photosynthesize for whatever reason for a while.
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