Sources

http://assets.inhabitat.com/wp-content/blogs.dir/1/files/2013/02/carbon-sponge-MOF-2-537x359.jpg

http://cbse.myindialist.com/wp-content/uploads/2010/06/clip_image002_thumb26.jpg

https://www.webelements.com/_media/compounds/C/C1I4-507255.jpg

http://www.concord.org/~btinker/workbench_web/unitIV_revised/images/macromolecules_monomerssm1.jpeg

https://houseofpain.com/wp-content/uploads/2013/05/Proteins.jpg

http://www.ucl.ac.uk/~sjjgsca/peptide1.gif

http://d1cxesumcyia02.cloudfront.net/media/images ap_36572-1__4cf17fe40e317.jpg

http://wwwchem.csustan.edu/CHEM1102/IMAGES/honorlip.gif

http://extremebodyfit.com/wp-content/uploads/2012/12/What-Are-Carbohydrates.jpg