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Chemistry LibreTexts

CT0-N. The Cell: Nucleic Acids

CT0-N. The Cell: Nucleic Acids (contributed by Henry Jakubowski)

Figure:  A Eukaryotic Cell

Mitochondrion Link Ribosome CellImageMap

http://torresbioclan.pbworks.com/w/page/22377234/Spikefish%20About%20Cells

Used with permission from  Liliana Torres.  Also at http://www.animalport.com/animal-cells.html

Nucleic acids are polymers of deoxyribonucleotides (DNA) or ribonucleotides (RNA).  DNA contains the genetic code that when transcribed into RNA followed by translation of the RNA for around 22,000 protein.  Only about 2% of the 3.2 billion base pairs of DNA encodes protein. The function of 80% of the remaining genome has recently been found to regulate the transcription of DNA, mostly through various types of RNA transcribed from the DNA. 

The following site will show you the "life" history of nucleic acids in cells.