Search over 10,000 free study notes

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 blood vessels supplying the heart (coronary arteries) become narrowed or blocked. This is caused by plaque buildup in the artery walls. These plaques are made up of fatty deposits (cholesterol). Plaqu...

This is a common and important genetics question to study. First let's pick out the key terminology. Genotype is the genetic code that gives rise to a physical characteristic - a phenotype. At GCSE, all t...

I would approach explaining the answer to this question in a manner which was appropriate to the stage and understanding of the student. First I would check understanding of the meaning of the question an...

When an individual is exposed to the bacterial pathogen and its antigen, it causes activation of the body's own immune response. When the immune response is initiated, the pathogens are destroyed by T kil...