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    (Original post by gh1290)
    In oxidative phosphorylation, i believe that FADH2 has the same fate as NADPH, where they both get oxidised and release their hydrogens for chemiosmosis.
    FAD protons don't go into the intermembrane space, they stay in the membrane and go straight to O2 and electrons to form H2O
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    (Original post by abcd123456)
    Would we ever get asked to describe the arrangement of cells in the liver?
    you have to know where everything is on a diagram (bile duct branch, hepatic vein branch etc)
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    (Original post by Faithams)
    FAD protons don't go into the intermembrane space, they stay in the membrane and go straight to O2 and electrons to form H2O
    Why is this? My book says that both FAD and NAD get oxidised so their hydrogen atoms are used for the electron transfer chain and chemiosmosis
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    What's the Accelerator Nerve???? And what does it do?


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    (Original post by t_sparrow)
    In anaerobic respiration of yeast, what enzyme is used to break Pyruvate into Ethanal? Carbon dioxide is released in this reaction, and I have seen two different enzymes mentioned by two different sources; Ethanal Dehydrogenase in my textbook and Pyruvate Decarboxylase on an online resource??

    Thanks if you can help!!
    Your copy of the textbook is wrong, there are 2 issue's of the textbook, and the first issue had the error of writing the wrong enzyme, the newer issue states pyruvate decarboxylase instead
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    (Original post by Rich*****)
    What's the Accelerator Nerve???? And what does it do?


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    Its a nerve connecting the medulla oblongata to the sinoatrial node, it can send and action potential down to the heart causing an increase in the frequency of heart beats. This happens in various situations, e.g. when chemoreceptors detect a low pH in the blood
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    Do we need to know what the liver looks like under a microscope? :/
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    (Original post by brooklyniona)
    you have to know where everything is on a diagram (bile duct branch, hepatic vein branch etc)
    Ok thanks but would it ever come up as like a 5 marker asking us to describe without a diagram or no? Please say no :P
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    (Original post by WishIHadRevised)
    Do we need to know what the liver looks like under a microscope? :/
    Liver lobule came up last year, so it probaly won't come up again
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    I have a feeling the heart stuff might come up...haven't seen it in a while. Definitely worth a look over!
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    (Original post by Rich*****)
    What's the Accelerator Nerve???? And what does it do?


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    It's the nerve from the cardiovascular center to the SAN. Part of the sympathetic nervous system. Speeds up heart rate.
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    (Original post by WishIHadRevised)
    Predictions for tomorrow? Anyone?
    teacher was pretty convinced the distal convuluted tubule will come up and seemed pretty sure about that this year. Other than that its all guesswork
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    Do we need to know about ganglion?
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    (Original post by ChoccyPhilly)
    Why is this? My book says that both FAD and NAD get oxidised so their hydrogen atoms are used for the electron transfer chain and chemiosmosis
    Thats weird, mine says NADH2 binds to complex 1 and its protons are pumped through complex 1 to the intermembrane space and that FADH2 binds to complex 2 but its protons stay in the matrix. It says protons are therefore only pumped through the complexes 1,3 and 4.
    Which book do you have?
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    (Original post by normalman)
    teacher was pretty convinced the distal convuluted tubule will come up and seemed pretty sure about that this year. Other than that its all guesswork
    What sort of question could they ask you about the DCT? the only thing i know about it is that it reabsorbs inorganic ions. Is that even correct? lol
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    (Original post by Faithams)
    Thats weird, mine says NADH2 binds to complex 1 and its protons are pumped through complex 1 to the intermembrane space and that FADH2 binds to complex 2 but its protons stay in the matrix. It says protons are therefore only pumped through the complexes 1,3 and 4.<br />
    Which book do you have?
    CGP. And I quote:

    "hydrogen atoms are released from NADH and FADH as they're oxidised to NAD and FAD. Thenhydrogen atoms split into protons and electrons etc."
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    Guys how are you all preparing for the synoptic element of the exam?
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    Correctly predicted most of last years f211
    For me:
    - kidney including selective absorption and renal dialysis
    - LIR
    - Krebs Cycle
    - Ads and Dis of ectotherms
    - cyclic AMP suggest typey qs
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    (Original post by normalman)
    Correctly predicted most of last years f211
    For me:
    - kidney including selective absorption and renal dialysis
    - LIR
    - Krebs Cycle
    - Ads and Dis of ectotherms
    - cyclic AMP suggest typey qs
    Whats LIR, sorry lol
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    Yeah what is the purpose of the distal convoluted tubule?
 
 
 
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