Ch 9.2 Transcription & Translation
- Middlesex County College
- Microbiology 211
- Ch 9.2 Transcription & Translation
Last Modified: 2014-08-02
in RNA viruses (RNA to RNA)
and retroviruses (RNA to DNA)
- single stranded
- specialized forms (mRNA, etc)
- Uracil replaces Thymine as a base pairing mate for Adenine
- sugar is Ribose not deoxyribose
- carries DNA message through a complementary copy
- a transcribed version of a STRUCTURAL gene or genes in DNA
- triplet bases in mRNA are called codons
- differ in length
- made from DNA
- secondary structure creates loops, bottom of loop expresses a triplet nucleotide group called and anticodon.
- designates specificity
- complements mRNA
- carries specific amino acids to ribosomes
Living things are what their proteins make them.
utilizes RNA polymerase to bind DNA and INITIATE the translation process.
- long polynucleotide molecule
- forms 3D figures
- contribute to the structure and function of ribosomes
this synthesizes the RNA molecule using the codes on DNA as a guide or template DURING TRANSCRIPTION. (hint - more multipurpose than DNA 3P used in Replication)
needs no helicase
binds, unwinds, synthesizes
- protein folding
- splice Introns from mRNA strand with Spliceosomes while still in nucleus
- rejoins the Exons to allow the mRNA to proceed to the cytoplasm to be translated to protein
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