I need help on these plantae kingdoms questions?

Question

what is the composition of cell membranes?
kind of ribosome is found in the cells?
do the cells contain mitochondria?
do the cells contain chloroplasts?
do the cells have walls and if so of what are they composed?
how do the cells reproduce?
how do the cells obtain the nutrients needed for survival
how do the cells move
does the kingdom include multi-cellular organisms
are the cells specialized for different functions?

some one please tell me bcause everywhere ive looked they dont help

Answer 1

cell wall - a thick, rigid membrane that surrounds a plant cell. This layer of cellulose fiber gives the cell most of its support and structure. The cell wall also bonds with other cell walls to form the structure of the plant.

You will find the rest here --> http://www.enchantedlearning.com/subjects/plants/cell/