Proteins are responsibe for A.) insulating the body
B.) Maintaining the structure of cells and tissue
C.) Storing energy from unused glucose molecules
D.) Holding the blueprints that code for all the cell's activities

B.

Explanation:

answer: glucoamylase presented optimum activity at temperature of 55â°c, and, in the glycosidic bonds from the non-reducing ends of starch, resulting in the production of glucose. source and type of fermentation can affect the enzyme's properties

credit to kalahira

a- all cells come from pre-existing cells