www.nature.com/scitable/definition/cytoplasm-280
https://en.wikipedia.org/wiki/Root_hair
www.biology4kids.com/files/cell_vacuole.html
www.plantcellwalls.org.au/index.php?id=8
http://www.ask.com/science/function-root-hair-cell-3d918a7c283e9d33
http://www.bbc.co.uk/schools/gcsebitesize/science/add_edexcel/organism_energy/photosynthesisrev5.shtml
http://epubbud_uploads.s3.amazonaws.com/13417625/9LN3F6QJ/rId43.png
http://www.oxforddictionaries.com/definition/english/mitochondrion
https://simple.wikipedia.org/wiki/Mitochondria
https://en.wikipedia.org/wiki/Root_hair
www.biology4kids.com/files/cell_vacuole.html
www.plantcellwalls.org.au/index.php?id=8
http://www.ask.com/science/function-root-hair-cell-3d918a7c283e9d33
http://www.bbc.co.uk/schools/gcsebitesize/science/add_edexcel/organism_energy/photosynthesisrev5.shtml
http://epubbud_uploads.s3.amazonaws.com/13417625/9LN3F6QJ/rId43.png
http://www.oxforddictionaries.com/definition/english/mitochondrion
https://simple.wikipedia.org/wiki/Mitochondria