IGCSE/GCSE/O & A Level/IB/University Student Forum
Qualification => Reference Material => GCE AS & A2 Level => Pastpapers => Topic started by: house on June 11, 2010, 04:42:06 pm
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someone got Chemistry / biology unit 2 June 2010 unoffcial MS? please
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someone got Chemistry / biology unit 2 June 2010 unoffcial MS? please
lets discus..which3potential sources fr stem cels did u mention
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i wrote:
1. embryo
2. bone marrow
3. Spinal chord (not sure about this)
Other mates wrote therapeutic cloning (somatic nuclear transfer) not sure about that.
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What did you put on the question were it asked to tick box on part of plant were chromosome number increased during fertilisation:
I ticked D and E which were the polar nuclei (endosperm) and the zygote.
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I found it easy. Probably will have higher grade boundaries :S
what about you
house
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i wrote:
1. embryo
2. bone marrow
3. Spinal chord (not sure about this)
Other mates wrote therapeutic cloning (somatic nuclear transfer) not sure about that.
---------
What did you put on the question were it asked to tick box on part of plant were chromosome number increased during fertilisation:
I ticked D and E which were the polar nuclei (endosperm) and the zygote.
---------
I found it easy. Probably will have higher grade boundaries :S
what about you
house
sorry replied after a long time:P
cant b therapeutic cloning haha-tats the name fr the method..somatic nuclei YES but of wich cell o rather wich type of ..one that cud provide wt all the types needed...anyway..hey saaaame here...not spinal cord-i wrote lung tissue...read sumwer its got alot of cells that are undifferentiated..n yeh embryo and bone marrow:)