Discussion of all aspects of cellular structure, physiology and communication.
No victor, no fermentation uses oxygen. Fermentation is by definition anaerobic. There are 2 things that you might be confusing this with: the fact that saccharomyces cerivisiae(yeast) can do aerobic respiration if there is oxygen in the environment. If there is not, it does fermentation.
In some books they mention an acetic fermentation. This is not a true fermentation since it requires oxygen(pasteur proved that it does). The reaction is as follows:
CH3CH2OH + 02 --> CH3COOH + H2O
"As a biologist, I firmly believe that when you're dead, you're dead. Except for what you live behind in history. That's the only afterlife" - J. Craig Venter
A small correction Andrew...There are 2 steps to form acetic acid from ethanol.
CH3CH2OH + O2 --------> CH3CHO + H2O (Ethanal) then it countinues to
CH3CHO + O2 ---------> CH3COOH + H2O (Acetic acid)
Perhaps, you need an ethanol with a primary OH substance (coz there's no place to make the secondary one )
Oh, about Saccharomyces cereviceae whics can do aerobic and anaerobic, it's no wonder...because S.cereviceae is an anaerobic facultative organism which is breath using oxygen if there's oxygen and doing fermentation if there's no oxygen.
Thanks for telling me about those 2 stages, victor. I can't believe that none of my books says something so important
Perhaps you'll not find it in your bio book maybe because those step was explained in my chemistry book . But, by the way Andrew, your bio knowledge is so great. I'm really no match for you..
Oh yes...a little bit addition...ethanal is IUPAC name..the trivial name is "Acetaldehyde" and Acetic acid is the trivial name...the IUPAC name is Ethanoic acid...perhaps maybe you've known 'bout this..
By some strange coincidence, i have heard about that. But since probably not everybody knows acetic acid is still a better term since we are not chemists
According to me, sometimes you have to know what is the exact name of some chemical substances. You can't always rely on trade name/trivial name. that's why I suggest bio-students to learn IUPAC....
why is it that electron transport involves the binding of oxygen to NAD+? Why not just explain it like that untill it gets to the electron transport chain, because that is where it is actually seperated into H+ and E- right? Or am I just totally lost on the whole process, because it's still alittle bit strange to my nonbiology thinking brain!
A hangover IS the Wrath of Grapes!
You are confused. NAD carries an electron and a proton, turning into NADH. These are taken later through a set of enzymes that produce ATP from the electron's cynetic energy. Eventually the meat oxygen and form water
Putting it a lot simpler than it really is, of course
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