Search over 10,000 free study notes

Protein is transcribed from messenger RNA (mRNA) by ribosomes on the rough endoplasmic reticulum or ribosomes in the cytoplasm. This detects the start codon and moves along the mRNA 'reading' the bases on...

These are the two branches of the autonomic nervous system, which we have no conscious control of. The sympathetic system is responsible for 'fight and flight' responses, preparing the body for exercise o...

The myelin on peripheral neurones come in the form of schwann cells. These schwann cells are essentially coils of fat that sit around the neurone and insulate it, this has two fundamental purposes.
...

Prokaryotic cells are smaller and more simple than eukaryotic cells. They do not contain membrane bound organelles such as mitochondria, endoplasmic reticulum and golgi apparatus. They also do not have a ...

• when the water potential of the blood is too low (1) * This is detected by receptors in the hypothalamus (2)* the pituitary gland in the brain then secretes more ADH (3) * ADH increases the permeabi...