Types of Nucleic Acids PDF
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Uploaded by CharitableOganesson
Kwara State Polytechnic
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Summary
This document provides information on the types of nucleic acids, including DNA and RNA. It also details the structures of nucleic acids and their interactions. The document explains the difference between A, B, and Z forms of DNA, and it covers the different types of RNA (mRNA, tRNA, rRNA).
Full Transcript
# Types Nucleic Acids * **DNA** * **RNA** ## Structure of Nucleic Acids * **Primary structure** - A, G, C, T, U * **Secondary structure** - A=T, ... * **Tertiary structure** - Helix of DNA/RNA * **Quaternary structure** - relation of nucleic acids with other mols Nucleus -> Chromosome -> Gene...
# Types Nucleic Acids * **DNA** * **RNA** ## Structure of Nucleic Acids * **Primary structure** - A, G, C, T, U * **Secondary structure** - A=T, ... * **Tertiary structure** - Helix of DNA/RNA * **Quaternary structure** - relation of nucleic acids with other mols Nucleus -> Chromosome -> Gene -> DNA ## Difference Between A-, B- & Z- forms of DNA | CHARACTERS | A form | B form | Z form | |---|---|---|---| | Helical sense | Right handed | Right handed | Left handed | | Size | Short and broad | Longer and thinner | Elongated and slim | | Diameter | 2.8 nm | 2.0 nm | 1.8 nm | | Base pairs per helical | 11 | 10 | 12 | | Major groove | Narrow/deep | Wide/deep | Flat | | Minor groove | Wide/shallow | Narrow/deep | Narrow/deep | | Stability | More stable | Less stable | Less stable | ## 3 Types of RNA * **Messenger RNA:** (mRNA) carries nucleotide sequence from nucleus to ribosome * **Transfer RNA:** (tRNA) picks up amino acid in cytoplasm and carries them to ribosome * **Ribosomal RNA:** (rRNA) found in ribosome, joins mRNA and tRNA; forms protein
