The Student Room Group

Reply 1

if ur doing edexcel bio there is nothing much to it - what dont you understand about it??

Reply 2

All the different products formed in the cycle. :frown:

There's atleast 6 different products to learn and wtf do I have to learn about it?

Photosynthesis is easy, respiration is hard (for me anyway)

AQA Biology by the way.

Can anyone provide a decent explanation for it, as the author of my book was on booze when he wrote it...

Reply 3

I'm doing AQA B and all i've learnt (all you need to learn) is that the Kreb Cycle takes place in the matix of the mitochondria and acetyl coenzyme A reacts with a 4- carbon compound to produce a 6- carbon compound. 2xCO2 formed, and reduced NAD and FAD, and a small amount of ATP. Thats the Kreb Cycle, try to draw a diagram it helps.

Reply 4

you don't need to know it in too much detail for aqa...... :

acetylcholine (AcetylCoA)........react with 4- carbon acid, and becomes 6-carbon molecule.......this is oxidised........2 moleclues os CO2 come off, and molecules of NAD and FAD are reduced

hope that helps

Reply 5

Thanks people. Esp the last two posts! helps alot.

:smile: