BIOL 1090 Lecture Notes - Lecture 5: Endonuclease, Hydrogen Bond, Tata Box
8 Nov 2017
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It was thought to be unidirectional as showed on fig 11. 2: ex: transcription to translation protein. The transfer of information from dna to protein is a two step process in all organisms. Dna -> transcription rna transcription rna processing rna stability/mrna. Translation protein post translation functioned performed by protein. Thus, 5 steps: transcription, rna processing, rna stability, translation, post-translation. Definition 1 a gene is a transcribed region of dna. Genes encode one of the several types of rna (fig 11. 3). Rna uses the pyrimidine uracil instead of thymine. Note: the rna pentose sugar is ribose, not a deoxyribose. General features of rna synthesis from a dna template (fig 11. 4) Two stands of the dna; template and nontemplate, also known as his compliment. Rna is synthesized like dna in a 5" to 3" direction. The dna double helix is locally unwound during transcription in order to be part of the transcription sequence (fig.
