Search over 10,000 free study notes

Animal and plant cells are very similar as they both have a cell membrane, a cytoplasm and a nucleus.However, plant cells also have a permanent vacuole, chloroplasts and a cell wall.

To understand osmosis, first you need to understand water potential. Pure water has a water potential of 0, and as it becomes less pure (due to things dissolving in the water) the water potential goes dow...

An atheroma is defined as fatty material in the wall of an artery. This increases the risk of a blood clot forming in the artery. If a blood clot forms in a coronary artery, which supplies the heart muscl...

Insulin is a hormone secreted from the pancreas in response to high blood sugar levels (glucose). Insulin causes cells in the liver to convert glucose into glycogen (storage molecule) absorbing glucose ou...

The crucial thing with a "compare and contrast" question is that you have to give both similarities and differences to get full marks. Firstly, both of these proteins are chains...