This video looks at the structure of prokaryotic cells and compares them to eukaryotic cells. It is designed for the Pre-U syllabus but can be used for most post 16 Biology qualifications such as the IB or A Level.
A full teaching editable PowerPoint can be found at the following link
http://www.slideshare.net/mrexham/cambridge-preu-biology-12-prokaryotic-cells