Biology 9700/12 Oct Nov 2021 | Cambridge AS Level Past Papers With Mark Scheme
- Magnification calculations in electron microscopy, scale bars, and actual lengths.
- Calibration of eyepiece graticules using stage micrometers, direct measurement of cell lengths.
- Functions of cell structures: mRNA transport, microtubule organization, polypeptide synthesis.
- Formation of lysosomes, hydrolytic enzymes, roles of mitochondria, rough endoplasmic reticulum, Golgi body.
- Presence of rRNA in cellular organelles: chloroplasts, mitochondria, nucleus, smooth endoplasmic reticulum.
- Characteristics of prokaryotic cells: circular DNA, cell wall structure, implications for classification.
باز نشر محتواها در فضای مجازی، ممنوع است.

باز نشر محتواها در فضای مجازی، ممنوع است.