What strain of bacteria enters normal epithelial cells most easily

Ty2 strain present in the Salmonella typhi bacteria can easily enter into the epithelial cells.

Explanation:

This is the bacteria that causes the typhoid fever in humans. This disease affects greater than 21 million people worldwide annually. On severe cases it leads to death of the patient. The penetration into epithelium cell is one among the essential part in its parthenogenesis. Previous interaction of the bacteria along with the epithelial cell are much necessary before its invasion. The expression involves the adhesins and fimbria.

the form of energy changes and the total energy increases0l

after receiving a stimus, the sensory receptors send(s) signals to the appropriate area of the body.  

the must be sensory neurons.  

hope its .