Identify the location and function of the following structures in prokaryotic cells:
$(i)$ Peptidoglycan
$(ii)$ Mesosome

(N/A) $(i)$ Peptidoglycan:
Location: It is a component of the bacterial cell wall,providing structural support.
Function: It provides protection against osmotic lysis and mechanical stress.
$(ii)$ Mesosome:
Location: These are specialized membranous structures formed by the extensions of the plasma membrane into the cell in prokaryotes.
Function: They play a crucial role in cell wall formation,$DNA$ replication,distribution of $DNA$ to daughter cells,respiration,secretion processes,and increasing the surface area of the plasma membrane and enzymatic content.