The answer is A. The insulin, like many hormones binds to cells through receptors found on the cell membrane
Answer:
The last two points are true
Explanation:
Mutations are harmful and beneficial but can also be neutral
Mutations do cause a variation of given poulation
<span>Air pollution has a variety of effects upon health, including biochemical, physiological and breathing difficulties (such as increased coughing, increased C02 intake, restricting air flow, disrupt ventilation etc). The statement "It could restrict air flow through the bronchi" doesn't explain the effect of air pollution effectively enough.</span>
Answer:
Low levels of dopamine are related with symptoms of Parkinson's disease.
It will stay in a persons nervous system for the rest of their life
