Biology WBI12/01 January 2022 | Edexcel International AS Level Past Papers With Mark Scheme
Edexcel
International AS/A Level
Biology (WBI)
Jan
2022
2. Mitosis process—spindle role, stages of mitosis, mitotic index calculation, plant cell division diagram
3. Transcription vs post-transcription modification—pre-mRNA and active mRNA structural differences
4. Cell wall composition—xylem vessel thickening, cellulose arrangement, mechanical properties correlation
5. Genetic diversity and gene expression—polygenic inheritance of skin color, environmental interactions
6. IVF and endangered species conservation—zona pellucida damage, polyspermy, experiment design and interpretation using mouse models
معلم موافق رایگان بودن است.
1. Cell organelles structure and function—labeling amyloplast, chloroplast, tonoplast; electron microscopy identification of plant organelles2. Mitosis process—spindle role, stages of mitosis, mitotic index calculation, plant cell division diagram
3. Transcription vs post-transcription modification—pre-mRNA and active mRNA structural differences
4. Cell wall composition—xylem vessel thickening, cellulose arrangement, mechanical properties correlation
5. Genetic diversity and gene expression—polygenic inheritance of skin color, environmental interactions
6. IVF and endangered species conservation—zona pellucida damage, polyspermy, experiment design and interpretation using mouse models
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