OCR A-level Biology B (Advancing Biology) H422 · 2.1.1

Cells and microscopy

Code: 2.1.1
In: 2.1 Cells and chemicals for life
Topic: 2 Cells, chemicals for life, transport and gas exchange
Course: A-level Biology B (Advancing Biology) H422
Board: OCR

Codes and titles are read by a script from OCR's published specification and have not been checked by a person. What each point covers is in the specification itself: OCR’s specification.

Points under 2.1.1

2.1.1(a) Microscopy, cell theory and blood smears
2.1.1(b) Differential staining
2.1.1(c) Animal cells seen in blood smears
2.1.1(d) Cell dimensions and the magnification formula
2.1.1(e) Practical: haemocytometer cell counts
2.1.1(f) Flow cytometry in blood analysis
2.1.1(g) Ultrastructure of an animal cell
2.1.1(h) Plant and prokaryotic cell ultrastructure compared
2.1.1(i) Practical: measuring cells with a graticule
2.1.1(j) Lipids in the plasma membrane
2.1.1(k) The fluid mosaic model
2.1.1(l) Movement of molecules across membranes
2.1.1(m) Practical: diffusion rates in cells
2.1.1(n) Roles of membranes
2.1.1(o) Organelles in protein production and secretion

Points in 2.1 Cells and chemicals for life

2.1.1 Cells and microscopy
2.1.2 Water and its importance in plants and animals
2.1.3 Proteins and enzymes
2.1.4 Nucleic acids