X is mathematically an unknown.
After mitosis comes cytokinesis, the division of the cytoplasm. This is another process in which animal and plant cells differ... In a plant cell, the cytoplasm is divided by the formation of a new cell wall, called the cell plate, between the two daughter cells.
Hope this helps! :)
Isotonic since in a hypertonic solution the cell would shrivel up and in a hypotonic solution it would lyse (burst).
In a cactus, carbon is fixed only during the day. this is because cacti need sunlight to perform photosynthesis. Have a great day :)