I think it resembles the nervous system because like the nucleus, the brain controls body functions while the nucleus controls the cell’s functions.
Amber has allowed scientists to study DNA that has been preserved over millions of years.
Answer:
C resources are always limited
Explanation:
Specialized proteins in the cell membrane regulate the concentration of specific molecules inside the cell. ... Transporters carry a molecule (such as glucose) from one side of the plasma membrane to the other. Receptors can bind an extracellular molecule (triangle), and this activates an intracellular process.