List the four functions of the cell/plasma. membrane.

It contains all lipids, proteins and carbohydrates.

FUNCTIONS:

* provides cell with physical isolation from extracellular fluid.

* Regulates exchange with external environment.

* provides structural support to the cell.

* membranes provide attachment sites for enzymes and other molecules involved in metabolism

b, acidosis

acidosis is when the human body attempts to return the bloods ph levels back to normal when the blood is acidic

d. the weight of the book