Plasmodesmata are .......

Select the correct combination of the statements regarding the characteristics of the middle lamella:
$a$. It holds the different neighbouring cells together.
$b$. It is composed of $Mg$ pectate only.
$c$. It gets dissolved during the ripening of fruits.
Correct statements is/are:

The middle lamella is primarily composed of:

$A$ protoplast is a cell

Which one of the following structures between two adjacent cells is an effective transport pathway?

Plant cells do not burst in distilled water,because