A. If the optimum temperature for a cell's functions is exceeded, chemical reactions slow down as enzymes and other proteins begin to denature (change shape due to increased vibration of the atoms in the molecules that make up the proteins).
The digestive system is greatly affected by the irritation in the small intestine that occurs because of gallbladder disease.
A cellular membrane separates the interior of all cells from the outside environment.
Cells
Tissues
Organs
Organ system
Organism
