What are the functions of DNA and RNA?
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DNA and RNA are type of polynucleotides present in all living things. Unlike RNA which is single stranded chain, DNA is double helix structure. Chemically, DNA consist of deoxyribose sugar in its backbone where as RNA is made up of ribose sugar. Similarly, Thymine nucleobase which is present in DNA is replaced by uracil incase of RNA. DNA is considered to carry all the hereditary information and is transcribed into RNA which then codes for protein (the process known as translation). Transcription of DNA to RNA and translation of RNA to protein is called central dogma of life.
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