Search over 10,000 free study notes

Aseptic techniques prevent the contamination of a sample from other bacteria or pathogens. It is important to do this to ensure that the sample we are dealing with remains pure. Microorganisms are in the ...

• chloroplasts which are able to trap light so it can be used to generate energy through photosynthesis - cell wall which provides the plant cell with structure

The cell has an outer membrane known as the cell membrane, which envelops the cytoplasm. The cell also contains mitochondria which work to provide the cell with energy (in the form of ATP) and a nucleus, ...