All cell are produced from other cells.
The surrounding environment is filled with many type of cells that can interact with the bacteria once it's exposed to it.
The answer is A. Xylem is for water, phloem is for sugar and water (which is the food).
Thermal, then kinetic, then electrical xx
Answer: Closed
Explanation:
At resting membrane potential( RMP) sodium channels remained shut, this is because , previously in depolarisation,the voltage gated sodium channels were opened for sodium to diffuse into the Axon. However these channels closed after reaching their refractory period,s.
Therefore a change in the extracellular concentration of sodium will not open them