Answer:
The correct answer would be nucleotide.
Explanation:
Answer:
Cell surface receptors (membrane receptors, transmembrane receptors) are receptors that are embedded in the plasma membrane of cells. They act in cell signaling by receiving (binding to) extracellular molecules. They are specialized integral membrane proteins that allow communication between the cell and the extracellular space.
Explanation:
Answer:
to prevent the virus to have a big effect on the body of humans so the cells can fight against it
Answer:
osmosis
Explanation:
the diffusion of water molecules from a area of high water concentration to an area of low water concentration,
hope this helps :)
Respiratory system and the cardiovascular system
