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1. How are nucleic acids related to proteins considering they are two completely different biomolecules? 2....

1. How are nucleic acids related to proteins considering they are two completely different biomolecules?

2. How long is human DNA if we stretched it out end-to-end? What is the size of a typical eukaryotic nucleus? Do you see the problem?

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1. Nucleic acid are biopolymers. The two main nucleic acid are DNA and RNA. On the other hand, proteins are the bio-polymer of amino-acid. Both are different in the structures. But still they are related with each other. This is because both type of biomolecules are involved in the Central dogma of biology which state the flow of genetic information from DNA to proteins via RNA. The nucleic acid is the blue-print of the genetic information that express in the form of protein.

FIgure: Central dogma

2. If we stretched the DNA from end to end, it would be around 2m long. On the other hand, size of nucleus is approximately 6 micrometers. Yes, there is a problem in this because such a small nucleus how can store such a long DNA. The DNA are made compact by the histone protein.

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