Compare and contrast the structure and functions of three of the following four intercellular ...

Answer to q. 1

Desmosomes consist of discs associated with plasma membranes of adjacent cells. These junctions
cement cells together and provide potential pathway for signal transmission.
Tight junctions are tight connections between plasma membranes, and they seal body cavities.
A gap junction bridges the space between cells. Gap junctions connect cell and form a communication
system.
Plasmodesmata are functionally equivalent to animal gap junctions

Answer to q. 2

A red blood cell placed in a solution of 0.5 sodium chloride.would gain water and eventually burst.
The red blood cell is hypertonic to the solution of 0.5 sodium chloride,

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