The temperature-dew point spread will increase with heating and decreasing with cooling
On site means insitu.
invitro means in glass like a test tube.
Answer is b hole this helps
Nondisjunction , I'm think this is the answer but I'm not for sure.
A protein channel is a transport protein that helps larger molecules, that would otherwise not be able to diffuse through the membrane of a cell to move in or out of the cell depending on the concentration gradient.