AP BIOLOGY

THE CELL

TRANSPORT INTO AND OUT OF THE CELL

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
The release (exit) of large particles from the cell is
A
pinocytosis
B
phagocytosis
C
endocytosis
D
exocytosis
Explanation: 

Detailed explanation-1: -Exocytosis is the process by which a large amount of molecules are released; thus it is a form of bulk transport. Exocytosis occurs via secretory portals at the cell plasma membrane called porosomes.

Detailed explanation-2: -Exocytosis is an energy-consuming process that expels secretory vesicles containing nanoparticles (or other chemicals) out of the cell membranes into the extracellular space.

Detailed explanation-3: -The reverse process of moving material into a cell is the process of exocytosis. Exocytosis is the opposite of the processes discussed in the last section in that its purpose is to expel material from the cell into the extracellular fluid.

Detailed explanation-4: -Exocytosis is the last step of the secretory pathway and it involves the fusion of vesicles with the plasma membrane, a process that, in fungi, ensures the delivery of cell wall-synthesizing enzymes, membrane proteins, and lipids in areas of active growth. From: Advances in Genetics, 2013.

Detailed explanation-5: -Exocytosis is a form of active transport through which large molecules are moved from the interior to the exterior of the cell. Vesicles are packaged within the cell and transported to the cell membrane, where their phospholipid bilayers fuse. This allows the contents to be released outside the cell.

There is 1 question to complete.