Gases like oxygen and carbon dioxide move across cell membranes
a. endocytosis
b. ion channels
c. diffusion
d. facilitated diffusion

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

d. groundwater flows through the subsoil and deposits minerals.