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AS biology aqa resit

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Please I beg someone remind me what Q4 and Q6 were ???? My mind is going absolutely crazy over it. I think I missed those 2 questions ???

I think it was the protease question and milk question, not sure tho

Reply 41

silversurfer224

It is definitely RER, on past papers I have seen it that ribosomes is marked wrong because they are involved in protein synthesis but they proteins are actually synthesised by the RER

Reply 42

Abibeveridge

Original post by Pommo1996

Oxygenated blood leaks into the right ventricle, reducing the amount of oxygenated blood transported round the body, lowers stroke volume??

That sounds right! not what I put haha but thank you

Reply 43

alevelshurt

i had a complete mind blank for that indicator one and put the colour of the milk would affect the ph paper, imagine 😂😂

Reply 44

alevelshurt

Also for the very last question I talked about how chloride ions had a charge and oxygen doesnt

Reply 45

mia...333

I thought it was that the small hole between the ventricles prevents the wave of electrical activity from reaching the ventricles and so,ventricular contraction becomes less frequent-less oxygenated blood enters body