Repair systems - PowerPoint PPT Presentation

Genetic Organisation

Genetic Organisation. In Prokaryotes. Transcrition and translation occurs in same compartment (cytoplasm) Simultaneous; m-RNAs are short-lived (afew minutes) No splicing M-RNA is not polyadenylated No IRES in eukaryotes No introns in prokayotes (except some bacteriophages). 5’-3’ direction

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Genetic Organisation

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Repair Systems

Repair Systems. Chapter 20. 20.1 Introduction. Figure 20.1. 20.2 Repair Systems Correct Damage to DNA. Repair systems recognize DNA sequences that do not conform to standard base pairs. Excision systems remove one strand of DNA at the site of damage and then replace it. Figure 20.2.

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