Biology 9700/11 May June 2022 | Cambridge AS Level Past Papers With Mark Scheme

- Calibration of eyepiece graticule using stage micrometer scale, measurement of white blood cell diameter in micrometers.
- Matching cell structure functions with appearances: mRNA transport, mitotic spindle production, hydrolytic enzyme packaging.
- Size range of prokaryotic cells, presence of ribosomes, circular DNA in prokaryotic and eukaryotic cells.
- Characteristics of viruses: capsid structure, RNA presence, outer envelope, ribosome types.
- Mechanisms of enzyme activity: effects of competitive inhibitors, substrate concentration impact on reaction rates.
- Processes in cellular transport: endocytosis, exocytosis, facilitated diffusion, ATP usage in cellular activities.