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Edexcel Biology key revision

Hello,

for those guys who are doing/have done AS units 1 and 2 (Molecules and Cells and Exchange, Transport and Repoduction), what are the key topics to revise/learn? I'm doing these resits in Jan.

what I mean is like:

Names of stages in Spermatogenesis and Oogenesys, The atonomy of the heart, how it pumps etc. The key stuff that always comes up, not just everything :biggrin:

Please excuse the English I am speaking ESOL.

Thanks for the help.
Reply 1
Student112233
Hello,

for those guys who are doing/have done AS units 1 and 2 (Molecules and Cells and Exchange, Transport and Repoduction), what are the key topics to revise/learn? I'm doing these resits in Jan.

what I mean is like:

Names of stages in Spermatogenesis and Oogenesys, The atonomy of the heart, how it pumps etc. The key stuff that always comes up, not just everything :biggrin:

Please excuse the English I am speaking ESOL.

Thanks for the help.



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