Search over 10,000 free study notes

2y + 3x = 19y + 7x = 26
so2y + 3x = 192y + 14x = 52
minus the top from the bottom11x = 33x= 3
put x into the initial questiony + 7(3) = 26y = 26-21y=5

Control the movement of substances in and out of the cell.

An electrical signal reaches the end of a neuron, causing vesicles containing neurotransmitters to move towards and fuse with the pre-synaptic membrane, releasing the neurotransmitters into the synaptic c...

Epithelial Cells- line the lumen of small intestines and colon. they are Specialised in absorption of nutrients thanks to microvilli which increase surface areaGoblet Cells- Goblet cells are located in th...

This depends on the type of question, but there are some basics that should always be included: An introduction - this needs to make it clear what you are going to be arguing, and introduce succinctly the...