Slide 1 NCF LOGO Casey Henderson and Necmettin Yildirim Sensitivity Analysis Computer Algebra Operon Application to TRP Math Modeling Introduction Conclusion Modeling Sensitivity…

Slide 1 Chapter 18 Regulation of Gene Expression Slide 2 Genetic Diversity in Asexual Bacteria? I. From Within A. High mutation rate B. Transposons II. Recombination A. Transformation…

Slide 1 Enzyme Regulation Slide 2 Constitutive enzymes –Enzymes needed at the same level all of the time Regulated enzymes –Enzymes needed under some conditions but not…

Slide 1 Control Mechanisms (Prokaryote) SBI4U Slide 2 Controlling Expression  When a gene is being used by a cell, it gets transcribed, and then the mRNA is translated…

Slide 1 DNA Rep & Protein Syn Slide 2 1928 – Griffith Transformation Experiment Slide 3 1941-Avery, McCarty, MacLeod Slide 4 1952-Hershey & Chase Slide 5 1952-Rosalind…

Slide 1 Slide 2 Why Regulate Gene Expression? Response to changing developmental or environmental conditions Save… time time energy energy raw materials raw materials Slide…

Slide 1 Gene Regulation Chapter 15 Slide 2 Gene Regulation 2Outline Prokaryotic Regulation  trp Operon  lac Operon Eukaryotic Regulation  Transcriptional Control…

Slide 1 23 and 25 October, 2006 Chapter 16 Regulation in Prokaryotes Slide 2 Overview Transcriptional initiation is the most common point to regulate gene expression. Any…

Slide 1 Dynamics of the trp Operon Refs: Sántilan & Mackey, PNAS 98 (4), 1364-69 [2001] I. Rahmim doctoral thesis, Columbia Univ., 1990 Alberts, MBOTC III, pp. 417-419,…

Slide 1 What are the differences between prokaryotes and eukaryotes on the initiation of TRANSCRIPTION and TRANSLATION? Slide 2 Why is gene expression tightly regulated?…