This is the result of uncontrolled cell division. often caused by mutations. mutations may be caused by environmental factors such as radiation or chemicals. example: tumor in the lung

This would be cancer

Cancer are just cells multiplying at a alarming rate that can kill healthy cells and weaken your immune system.

a scenario where a cell may be needed to perform a form of endocytosis is when transporting large molecules. a scenario where a cell may be needed to perform a form of exocytosis is when releasing the large molecule from the cell.

bradykinin is a physiologically and pharmacologically active peptide of the kinin group of proteins, consisting of nine amino acids.