Question
Biology Question on Cell: the unit of life
The middle lamella is a layer made up of calcium pectate It holds the different neighbouring cells together
If both assertion and reason are true and reason is the correct explanation of assertion
If both assertion and reason are true but reason is not the correct explanation of assertion
If assertion is true but reason is false
If both assertion and reason are false
If both assertion and reason are true but reason is not the correct explanation of assertion
Solution
Middle lamella is a thin, amorphous and cementing layer between the primary walls of two adjacent cells. Middle lamella is the first layer which is formed from cell plate between newly formed daughter cells at the time of cytokinesis. Middle lamella is absent on the outer side of surface cells. It is made up of calcium and magnesium pectates