Randy Holmes-Farley
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Yes, of course, If calcification takes place in contact with the bulk as is the case by corals ?
CO2 is retrieved from the bulk , HCO3 is not able to pass cell membranes without being broken by certain enzymes.
How it will affect the bulk water as produced H+ ions are not retrieved from bulk water and will not leave the algae, and are reused to become water again. Ions from water within the utricular space are used to produce HCO3 and CO3 within the algae, after calcification the produced ions are given back to make water to provide the CO2 source for Photosynthesis, all without leaving the algae. . What do I have to correct in the bulk as the algae has corrected it already? The same time calcium is stored.
Chemics are not able to split water and gain energy, Bio-chemical processes do it since a very long time.
If you propose to split CO2 into H+ and HCO3- or CO3-- inside the organism to produce carbonate for calcification, where do you propose to put the H+?
it must be excreted as it cannot accumulate, and that excretion depletes alkalinity. Your proposal that H+ does not leave the algae cannot be true.
There is NO ONGOING PROCESS that can use the H+ internally without depleting the bulk water of alkalinity.