bluelemon512
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hello people, so i have my Unit 1 Biology Exam tomorrow and i don't want to sound big headed but im confident with the material. i have study leave in the morning and im wondering if anyone has any ideas of what i should to until the exam now? ive done a load of past papers, got notes and all..any advice?

Thanks
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IAmAnTroll
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Sit back and chillax I guess
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emunia123
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(Original post by bluelemon512)
hello people, so i have my Unit 1 Biology Exam tomorrow and i don't want to sound big headed but im confident with the material. i have study leave in the morning and im wondering if anyone has any ideas of what i should to until the exam now? ive done a load of past papers, got notes and all..any advice?

Thanks
Id listen to some gcse podcasts- mygcsepod is good or do even more past papers...every little helps and you might find there was something small you might have missed
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44shishkbb
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(Original post by bluelemon512)
hello people, so i have my Unit 1 Biology Exam tomorrow and i don't want to sound big headed but im confident with the material. i have study leave in the morning and im wondering if anyone has any ideas of what i should to until the exam now? ive done a load of past papers, got notes and all..any advice?

Thanks
skim read the specification, and read in detail the past examiner's reports.
The spec tells you everything you can possibly need to know, and the examiner's reports tell you what most people did wrong in the last years
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z_o_e
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Can you explain GM please? If you are confident

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IAmAnTroll
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Link to current biology specification: http://filestore.aqa.org.uk/resource...-2016-V1-0.PDF
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z_o_e
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(Original post by IAmAnTroll)
Link to current biology specification: http://filestore.aqa.org.uk/resource...-2016-V1-0.PDF
Can someone explain this

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bluelemon512
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(Original post by emunia123)
Id listen to some gcse podcasts- mygcsepod is good or do even more past papers...every little helps and you might find there was something small you might have missed
shall do! Thanks
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bluelemon512
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(Original post by z_o_e)
Can you explain GM please? If you are confident

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Genetic Modification? if so, its not for this years exam but the year after so not revising over it atm
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z_o_e
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(Original post by bluelemon512)
Genetic Modification? if so, its not for this years exam but the year after so not revising over it atm
What do you mean

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LaurenHannahL
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I literally just asked the same question so I have no idea but Good Luck<3
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bluelemon512
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(Original post by IAmAnTroll)
Link to current biology specification: http://filestore.aqa.org.uk/resource...-2016-V1-0.PDF
should have specified, doing edexcel. thanks though
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bluelemon512
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(Original post by z_o_e)
What do you mean

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i dont need to know about GM for my exam tomorrow
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ihatePE
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once im confident that i know it, look through the past papers and see those little things you got wrong. it's annoying because you probably got it right but the markscheme will want you to say the answer a little differently so make sure you know the terms and phrases the markscheme wants you to use
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IAmAnTroll
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(Original post by z_o_e)
Can someone explain this

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There is a mutation in the gene of the bacteria
This means the non resistant bacteria are killed and the resistant bacteria survive
the resistance bacteria reproduce and a whole population of the resistant bacteria survive

I think i might have missed a point of but not sure e.e
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bluelemon512
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(Original post by LaurenHannahL)
I literally just asked the same question so I have no idea but Good Luck<3
haha good luck to you too! xx
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44shishkbb
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(Original post by z_o_e)
Can someone explain this

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check out question 8 (a) on this

http://filestore.aqa.org.uk/subjects...W-MS-JUN14.PDF

It's not the exact same, but it may help a bit
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bluelemon512
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(Original post by ihatePE)
once im confident that i know it, look through the past papers and see those little things you got wrong. it's annoying because you probably got it right but the markscheme will want you to say the answer a little differently so make sure you know the terms and phrases the markscheme wants you to use
aah okay, thanks
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okey
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(Original post by IAmAnTroll)
There is a mutation in the gene of the bacteria
This means the non resistant bacteria are killed and the resistant bacteria survive
the resistance bacteria reproduce and a whole population of the resistant bacteria survive

I think i might have missed a point of but not sure e.e
This is wrong as what you're talking about is natural selection. For genetic modification you must use enzymes to cut out the gene for resistance from DNA from another source, and use enzymes to cut a hole in the DNA of a plant cell whilst the plant is still only a made from a few cells. The resistant gene can then be inserted into the plant's DNA- making that cell resistant and as that cell is cloned by mitosis eventually the entire plant will be resistant.
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Ishan_2000
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(Original post by z_o_e)
Can someone explain this

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Genetic Modification:
- Locate gene in the DNA
- Cut out this gene using restriction enzymes
- Splice this gene into the other animal/plant's DNA, in the correct section of the DNA.
( - Use ligase to 'stick' the gene back to the new DNA ) <This is optional, usually not on GCSE mark scheme
- Do this at an early stage of development, so that all the plant/animal cells can have a copy of this gene in their cells when they are fully grown (via mitosis) (Again, the mitosis bit is optional)
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