Edexcel A Level Biology Paper 1 Mark Scheme 2022
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Exam (elaborations)
Edexcel A Level Biology Paper 1 Mark Scheme June 2022 | Advanced Biochemistry | Microbiology and Genetics
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--27May 20232022/2023A+Available in bundle
- Edexcel A Level Biology Paper 1 Mark Scheme June 2022 | Advanced Biochemistry | Microbiology and Genetics.A description that makes reference to three of the following: 
• (contact between sperm and secondary oocyte results in) 
acrosome reaction (1) 
• meiosis is completed (1) 
• cortical reaction takes place (1) 
• fusion of sperm {nucleus / genetic material} with {nucleus genetic 
material} of ovum (1) 
ACCEPT ovum / egg cell / female gamete 
 description e.g. enzymes are released from...
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