Pages in this set

Page 1

Preview of page 1
Revision for AS OCR Biology ­ Topic 1

Magnification: The no. of times an image is bigger than the object itself.
Resolution: The ability to distinguish between two separate points. The higher the resolution, the
more detail you can see.
Staining: To see cell structure more clearly as biological material…

Page 2

Preview of page 2

SER:
Series of membrane channels involved in synthesising and transporting substances, like lipids,
needed by the cell.

RER:
Studded with Ribosomes. The ribosomes synthesis proteins , which are processed by the RER and
exported out of the cell via the Golgi Apparatus.

Golgi Apparatus:
A series of flattened membrane vesicles…

Page 3

Preview of page 3
Responsible for transporting materials around the cell ie. cell division.
Protein in the cytoskeleton allow movement ie flagella.

Prokaryotic:
Small cell (2 micrometer Diameter)
Few organelles Mitochondria not present
Small Ribosome (70S type)
DNA is circular
No nucleus DNA is free in cytoplasm
Cell wall made of polysaccharide
Eukaryotic:
Larger…

Comments

No comments have yet been made

Similar Biology resources:

See all Biology resources »