Cells in this area of the plant develop THICKENED CELL WALLS.
Cell wall is a very important cell organelle in plant, it gives rigidity to the plants' cells thus supporting them, it also perform a host of other activities. Thickened cell wall are usually rich in lignin. Thickened cell wall in plants are also called secondary cell wall.
This image shows a Convergent boundary
Answer:
The cell response to the signal will last longer than normal.
Explanation:
The enzyme, protein kinases does the opposite of what phosphatases does, they add a phosphate group to a protein. Both these enzymes regulate the protein activity in a cell.
The correct answer is A
I am sure it is Oxygen
Hope this help
It comes in different forms of heat