Answer:
Option (4).
Explanation:
Cell communication involves various junctions like tight junctions and gap junctions. These junctions allows the communication of between cell-cell and cell-extracellular matrix connection.
The diseased animal cells activate the death cascade that may also cause death of the neighbor cells. This occur because the death molecule may pass to the neighbor cells through the gap junctions.
Thus, the correct answer is option (4).
The answer should be the Hepatic portal vein.
Hope this helps.
Answer:
Fluid mosaic is what people consider the cell membrane to be. This is because of how the cell membrane works, its made up of various different molecules floating all over the membrane. The molecules are going in a fluid flow. For example ice floating in an ocean. Or oil floating on water.
The immune system<span> is made up of a chain of cells, tissues, and organs that work together to protect the body. </span>