NUCLEIC ACIDS

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NUCLEIC NUCLEIC ACIDS ACIDS Šárka Dvořáková Šárka Dvořáková Michaela Mášová Michaela Mášová 14.4.2005 Z 3

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Z 3. 14.4.2005. NUCLEIC ACIDS. Šárka Dvořáková Michaela Mášová. Linear polymers consisting of repeating nucleotid units linked by phosphodiester bonds Types of Nucleic acids: - DNA ( 2- deoxy- β -D-deoxyribonucleic acid ) - RNA ( β -D –ribonucleic acid ) . - PowerPoint PPT Presentation

Transcript of NUCLEIC ACIDS

  • NUCLEIC ACIDSrka DvokovMichaela Mov14.4.2005Z 3

  • Linear polymers consisting of repeating nucleotid units linked by phosphodiester bondsTypes of Nucleic acids: - DNA ( 2- deoxy- -D-deoxyribonucleic acid ) - RNA ( -D ribonucleic acid )

  • Structure components of nucleic acids :

    - bases- sugar - phosphate ester

  • Bases and sugars

  • DifferenceRNAbases: adenine guanine thymine cytosinesugar: D ribosephosphate ester DNAbases: adenine guanine uracile cytosinesugar: 2 deoxy-D ribosephosphate ester

  • Structure of DNAThe structure of DNA consists of two polynucleotide strains wound around each other to form a right handed double helixThere are two types of base pair in DNA: A T ( adenine-thymine) G C ( guanine cytosine) The structure of DNA and the functions of gene described Watson and Crick (1953)

  • Structure of RNARNA exists as a single strand RNA can coil back on itself

    Types of RNA:messenger mRNA carry the information for the primary structure of proteinsribosomal rRNA part of the protein synthesis apparatus transfer tRNA activates AA and recognize codons in mRNA

  • Functions of organismRNA - several types of RNA responsible for the synthesis of the enzymes, structural proteins, and other polypeptides

    DNAstores information that conrolls all cellular processes (replication)- conducting transcription for genesis complementary molecul of RNA

  • SOURCESome information from lecture of Biochemistry.Some information from internet.


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