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By Dr Tushar Chauhan October 18, 2022
Image credit:Image by kjpargeter on Freepik
The full name of DNA is deoxyribonucleic acid.
Image credit: National genome research institute
DNA is made up of three components- pentose sugar, nitrogenous bases and Phosphate backbone.
Image credit: learn-biology.com.
Two types of nitrogenous bases in DNA are Purines and Pyrimidines. Adenine and Guanine are Purine while Thymine and Cytosine are Pyrimidine bases.
Image credit: National genome research institute
The 3’ end contains free OH while the 5’ end of DNA contains free -P. DNA is negatively charged.
Image credit: phys.org.
DNA is present in a double-stranded helical form. Two single-stranded DNA are bounded by hydrogen bonds.
Image credit: National genome research institute
Three hydrogen bonds between Guanine and Cytosine and Two between Adenine and Thymine are joins two different single DNA strands.
Image credit: Alexander Antropov from Pixabay.
Two main functions of DNA are to form protein and regulate gene expression. Coding and non-coding parts do the jobs, respectively.
Image credit: Wikipedia
DNA inherited from one to another cell thereby one to another generation. In this way, it transmits traits.
Image credit: MaxPhilip from Pixabay.
If you want to learn about chromosomes. Read this story.