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    (Original post by sidrah)
    I've still got to change it from hand written to typed up version.
    I'm looking forward to them. I love your Topic 7 notes!!! It's up on my walls
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    (Original post by Doughboy)
    I'm looking forward to them. I love your Topic 7 notes!!! It's up on my walls
    send us a copy please :awesome:
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    (Original post by redraindrop)
    hey guys, i have these exam questions for any of you who want to practice:woo:
    cheers for these, they're fantastic! +rep!
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    (Original post by sidrah)
    I'm finding it so hard to commit the topic 8 stuff to memory :/
    The brain regions on the spec only relate it to the ability to see, think, feel emotions and learn, and you'd think that you had to associate one with each lobe, but I'm at a loss as to which is which. Obviously occipital is too see, but couldn't frontal cover all the rest?
    Help appreciated.
    I'm not sure whether by brain regions you mean regions of the cerebral hemispheres or regions of the brain in general. I'll list what i got anyway:

    Hypothalamus: Responsible for monitoring physiological states such as hunger, thirst and temperature.

    Thalamus: Part of the brain that acts as a relay for sensory information, passing it onto the appropriate areas of the brain.

    Medulla Oblongata: Controls body processes subconsciously such as heart rate, blood pressure and breathing.

    Cerebellum: Responsible for posture and balance, also coordinates movement as it's being carried out.

    Cerebral Hemisphere: Forebrain is divided into right and left cerebral hemishpheres. These consist of four lobes: frontal, parietal, temporal and occipital. Hemispheres are linked by a band of nerve cell axons called the corpus callosum.

    Parietal: Orientation and movement, as well as some types fo recognition and memory.

    Frontal: Decision making, reasoning and planning. also concerened with ideas and forming associations.

    Occipital: Concerned with visual information.

    Temporal: Concerned with audial information: hearing, sound recognition and speech. Also involved in short term memory.

    Thats about all i got.
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    (Original post by sidrah)
    You're welcome
    Thanks again for the Topic 7 mind map, just want to add, i'm pretty sure it's 'tropomyosin that moves, exposing myosin binding site on actin filament' not troponin.
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    (Original post by sbanharally1)
    Thanks again for the Topic 7 mind map, just want to add, i'm pretty sure it's 'tropomyosin that moves, exposing myosin binding site on actin filament' not troponin.
    Troponin changes shape when Ca2+ binds which moves tropomyosin
    EDIT: dw just read the poster...I see your point!
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    (Original post by sbanharally1)
    Thanks again for the Topic 7 mind map, just want to add, i'm pretty sure it's 'tropomyosin that moves, exposing myosin binding site on actin filament' not troponin.
    Ahh.. Knew I must have made an error somewhere.. lol
    and ok, I'll edit that and put it up with topic 8
    Thanks for spotting that!
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    (Original post by Mos001)
    I'm not sure whether by brain regions you mean regions of the cerebral hemispheres or regions of the brain in general. I'll list what i got anyway:

    Hypothalamus: Responsible for monitoring physiological states such as hunger, thirst and temperature.

    Thalamus: Part of the brain that acts as a relay for sensory information, passing it onto the appropriate areas of the brain.

    Medulla Oblongata: Controls body processes subconsciously such as heart rate, blood pressure and breathing.

    Cerebellum: Responsible for posture and balance, also coordinates movement as it's being carried out.

    Cerebral Hemisphere: Forebrain is divided into right and left cerebral hemishpheres. These consist of four lobes: frontal, parietal, temporal and occipital. Hemispheres are linked by a band of nerve cell axons called the corpus callosum.

    Parietal: Orientation and movement, as well as some types fo recognition and memory.

    Frontal: Decision making, reasoning and planning. also concerened with ideas and forming associations.

    Occipital: Concerned with visual information.

    Temporal: Concerned with audial information: hearing, sound recognition and speech. Also involved in short term memory.

    Thats about all i got.

    Thanks for that!
    I was just referring to how they state very few functions for the brain regions in the specification, but I think its better to learn them in depth anyway.
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    (Original post by Doughboy)
    I'm looking forward to them. I love your Topic 7 notes!!! It's up on my walls
    (Original post by Pedus)
    send us a copy please :awesome:
    Will be putting up topic 8 asap and I'll put topic 7 up again with it, I've made a teeny amendment thanks to sbanharally1 letting me know my mistake. lol.
    Glad its been useful to everyone though
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    How did you lot do in Unit 6 The practical coursework type thing!
    What marks did you get? (if you know)
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    I'm not really sure we'll need to know it in such depth, but all the lobe stuff you can derive from logic anyway.
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    (Original post by markioe)
    How did you lot do in Unit 6 The practical coursework type thing!
    What marks did you get? (if you know)
    We wont know till results day:confused:
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    All the lobe I know are:

    frontal - emotions, thinking, learning
    parietal - memory, learning
    occipetal - visual cortex , sight
    temporal - auditory and speech

    Hopefully that's enough. Doing homeostasis, heart, ventilation and exercise atm!
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    do you guys think well need to know PCR again seeing as its mentioned in producing GMO's?
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    (Original post by Presidential)
    We wont know till results day:confused:
    I got to know, i asked and they told me, obviously this was the pre-standardisation mark (like without grade boundaries)
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    (Original post by Mos001)
    do you guys think well need to know PCR again seeing as its mentioned in producing GMO's?
    We need to know everything [again]. In the sample article question they asked about how DNA could be amplified :o:
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    (Original post by sidrah)
    Will be putting up topic 8 asap and I'll put topic 7 up again with it, I've made a teeny amendment thanks to sbanharally1 letting me know my mistake. lol.
    Glad its been useful to everyone though
    Thanks, would you be able to PM me it when you've done the adjustments? Thanks x
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    (Original post by Pedus)
    Thanks, would you be able to PM me it when you've done the adjustments? Thanks x
    ok, will do.
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    GUISE

    I'm really confused.. need advice.

    For neurons it talks about there being a depolarisation causing an action potential..

    But with the rods and rhodopsin it talks about a hyperpolarisation causing a generation potential and then an action potential..

    Can someone explain the differences bettween these polarisations and why they are different.. (I'm sure one is to do with positive charge (hyper) and one negative (depolar) but still not sure..)

    Thanks
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    (Original post by Doughboy)
    We need to know everything [again]. In the sample article question they asked about how DNA could be amplified :o:
    urgh... i hate PCR - so confusing.
 
 
 
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