To do this, the cell performs exocytosis, or the export of substances from the cell through a vesicle that fuses with the cell membrane. In this process, particles that cannot be digested by a lysosome are carried by a vesicle to the cell membrane.n addition, all the phospholipids and other vesicle membrane components also become part of the cell membrane. This is a great way to refresh the cell membrane with new parts. Exocytosis can also release useful products created by your cell into the extracellular space.
10 Events that Led to World War I. World War I was caused by a combination of several factors but above all, it was caused by the tensions between the European powers and crisis of the balance-of-power system that divided Europe into two camps. While one camp, joining Great Britain, France and Russia (Triple Entente) strove to preserve the fragile balance between the European great powers, the second camp that formed around German Empire, Austria-Hungary and Italy (Central Powers) was challenging it.
While there was a chain of events that directly led to the fighting, the actual root causes are much deeper and part of continued debate and discussion. This list is an overview of the most popular reasons that are cited as the root causes of World War 1.mperialism is when a country increases their power and wealth by bringing additional territories under their control. Before World War 1, Africa and parts of Asia were points of contention amongst the European countries. This was especially true because of the raw materials these areas could provide.