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Jophilip123
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does anyone know anything about chemical tests for mock body fluids for ocr excretion. We have the test coming up, please help if you have any knowledge on anything i should concentrate on.
Thanks
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TSR Jessica
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Sorry you've not had any responses about this. Are you sure you’ve posted in the right place? Posting in the specific Study Help forum should help get responses.

I'm going to quote in Tank Girl now so she can move your thread to the right place if it's needed. :yy:

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rayquaza17
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Moved to biology.
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z33
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how was your test?
also i do A2 OCR bio and have done the entire excretion module but we never had to learn tests for mock body fluids :/
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Jophilip123
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haven't done it yet, and yes same here we were just told the title and have no idea about anything has your teacher said anything ?
(Original post by z33)
how was your test?
also i do A2 OCR bio and have done the entire excretion module but we never had to learn tests for mock body fluids :/
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z33
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(Original post by Jophilip123)
haven't done it yet, and yes same here we were just told the title and have no idea about anything has your teacher said anything ?
wait are you talking about coursework or just content?
because i havent done any coursework based on excretion
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AK_1444
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I have an isa on tuesday about mock body fluids and im so baffled. Whos done it some 1 plz help!!!!!
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Shayhay
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Revise overall chemical tests and what a negative and positive result would look like, (tests for lipids, carbs and proteins etc)
Consider:
What would a positive result indicate?
How would that relate to excretion?
What complications would arise if specific components were found?
How does the body reduce this effect as much as possible...?
Structure and function of the nephron...
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AK_1444
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(Original post by Shayhay)
Revise overall chemical tests and what a negative and positive result would look like, (tests for lipids, carbs and proteins etc)
Consider:
What would a positive result indicate?
How would that relate to excretion?
What complications would arise if specific components were found?
How does the body reduce this effect as much as possible...?
Structure and function of the nephron...
Have u done the ISA on mock body fluids
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rayquaza17
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Hi just to mention you're not allowed to discuss ISA questions on here.
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ReeceM1
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(Original post by Shayhay)
Revise overall chemical tests and what a negative and positive result would look like, (tests for lipids, carbs and proteins etc)
Consider:
What would a positive result indicate?
How would that relate to excretion?
What complications would arise if specific components were found?
How does the body reduce this effect as much as possible...?
Structure and function of the nephron...
I've done the ISA and all I'll say is really consider what this quote above says!!!

But also... Think about what you've been taught about the kidney and urea and where some molecules are filtered out. Now think about what would a 'mock body fluid' contain of let's say a normal person? And what would it contain in someone with a certain medical condition.

In the OCR spec I know we've been taught about high blood pressure and diabetes etc and how that affects the urine produced.

I don't think we can give specifics away or any help that would put you at an advantage over others but I'm sure your teacher would have given you some hints or a mock or something?


Edit: when you hear 'chemical tests' - this just means the biological molecules tests you learned in AS OCR F212 spec.
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Shayhay
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(Original post by AK_1444)
Have u done the ISA on mock body fluids
Yup
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AK_1444
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(Original post by Shayhay)
Yup
Do u have to do chemical test
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rayquaza17
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I am now locking this thread.
Please do NOT discuss ISAs on TSR.
Even offering hints about what is on them is unfair to all candidates.
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