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science - cells


cell membrane the cell membrane controls the entry and exit of things into and out of the cell and is covered in substances that help cells identify each other.
cell walll the cell wall is a layer surrounding the cellmembrane that provides strengh and stucture to the cell. animal cells do not have a cell wall. cell walls are cery important structures in plant cells, especially small plants that dont have a woody stem.
nucleus the nuclues is the control centre of the cell. it is surrounded by a nucleur membrane to seperate the contents of the nuclues from the rest of the cell. the nucleus contains codes and instuctions in the form of deoxyribonucleic acid (DNA)
cytoplasm the cytoplasm is the fluid like part of the cell inside the cell membrane but outside the nucleus. it contains the cells mini organs, or organelles and many dissolved substances that may be involved in chemical reactions or as food stories of the cells
vacuoles vacuoles are seperate storage compartments within the cytoplasm that contain a watery fulid. they are very important in plant cells because they help provide support and stucture to the cell, which assits the plants in growing upright.
ribosomes are the site of protein production in the cell. proteins are small molecues with many different roles. there are many different types. some are structual proteins and some are globular proteins. which is found in red blood cells and helps transports oxyge
Created by: smimol111