PPT-15.2 Regulation of Transcription & Translation

Learning Objectives Learn what a transcription factor is Learn how oestrogen affects gene transcription Learn what siRNA is and how it affects gene expression Recap of 151 That the cells in our bodies are highly . Gene . to . Phenotype. : . The BAD2 gene. . and . fragrance in rice. DNA . sequence specifying . a . protein 200 . – 2,000,000 . nt. (. bp. ). Eukaryotic Gene Structure. Ribonucleic acid (RNA) is a key nucleic acid in transcription and translation. RNA is like DNA except that:. C483 Spring 2013. 1. Which . of the following is true about . transcription regulation? . A) A repressor protein activates transcription of a negatively regulated gene. . B) A positively regulated gene can be transcribed only in the absence of active repressor. . 3.5.1: Compare the structure of RNA and DNA.. 3.5.1: Compare the structure of RNA and DNA.. IB Question: . Compare the structure and composition of DNA with RNA. . [4]. both are polymers of nucleotides / both nucleic acids;. DNA directs the activities of the cell by controlling the proteins the cell produces.. This determines what the cell becomes, what it synthesizes, and how it functions. Gene Protein occurs in 2 steps Transcription and Translation. Eukaryotic Gene Regulation. How are genes turned on & off . in eukaryotes?. How do cells with the same genes differentiate to perform completely different, specialized functions?. Evolution of gene regulation. Why Should We Learn About DNA?. To understand how genes are inherited and expressed.. To understand the evolution of the Earth’s diversity and protect it.. To understand the relationships between species.. i. n Eukaryotes. Lecture #2. 1/23/17. References. . A few of the many insights from RNA polymerase structures. Cramer, P. (2002) . Multisubunit. RNA polymerases. . Curr. . Opin. . Struct. . Biol. LT: Be able to explain the process of DNA transcription.. THE BIG PICTURE!!!. DNA. RNA. protein. Transcription. Translation. Notes from reading pgs. 425-426. RNA = ribonucleic acid. Made of nucleotides. Geeta. . Narlikar. ) . . January 19, 2017 – Transcription Initiation and its Regulation in Bacteria. January 23, 2017 – Transcription Initiation and its Regulation in Eukaryotes. January 26, 2016 – Chromatin 1. 1. The information content of genes is in the form of specific sequences of nucleotides along the DNA . strands. The . DNA of an organism leads to specific traits by dictating the synthesis of proteins and of RNA molecules involved in protein synthesis (. Structure of RNA. Major Classes of RNA. Transcription in Prokaryotes. Transcription in Eukaryotes. Post-transcriptional Processing of Eukaryotic mRNA. Transcriptional Regulation in Prokaryotes:. the Lac Operon as an example. Dr. Vladimir Teif. BS222 – Genome Science Lecture 4. Module structure. Genomes, sequencing projects and genomic databases (VT) (Oct 9, 2018). Sequencing technologies (VT) (Oct 11, 2018). Genome architecture I: protein coding genes (VT) (Oct 16, 2018). DTP & Data Entry. Website & App Localization. Voice over Subtitling. www.. accoytranslingual. .com. Accoy provides excellent communication . services for . your business related services with . (Chapter 9). Presented by Dr. Laurie M. Erickson. Chair of the Department of Health Sciences. Blitstein Institute of Hebrew Theological College. Chicago, IL, USA.. Gene Expression can be Regulated.. Gene expression: .