1. BiochemistryChen YonggangZhejiang UniversitySchools of Medicine 2. Regulation of Gene Expression: Putting information to work 3. Information encoded in DNA is of no use…

1. Gene regulation 2. Necessity of Gene Regulation Unicellular organisms Depending on the needs of the body some genes have to be transcribed whereas the rest have to be…

1. Chapter 26 The Operon 2. 26.1 Introduction • coupled transcription/translation – The phenomena in bacteria where translation of the mRNA occurs simultaneously with…

TRANSLATION TRANSLATION in prokaryotes and eukaryotes SUBMITTED BY- SURENDER RAWAT ROLL NUMBER – 1784 BIOCHEMISTRy CONTENTS Introduction Messenger RNA (mRNA) Transfer RNA…

Slide 1Prokaryotic Gene Regulation Coordinate regulation of genes involved in similar functions Slide 2 Types of Control Negative Control Product of regulatory gene inhibits…

Slide 1 Chapt 19: Ribosomes and Transfer RNA Student learning outcomes Describe basic structure of the ribosome, relationship of two subunits - catalytic roles of RNA Describe…

Slide 1FIGURE 6.1. RNA contains the sugar ribose and the base uracil in place of deoxyribose and thymine. Slide 2 FIGURE 6.2. Synthesis of an RNA strand. Slide 3 FIGURE 6.3.…

Slide 1ENVR 421 Viruses: Overview Mark Sobsey Slide 2 Viruses Not cellular organisms Small: – 0.02-0.3 µM diameter simple: – nucleic acid – protein coat – (lipoprotein…

Slide 1 Transcription Regulation The Lac Operon – a paradigm for all transcription regulation Slide 2 Background: E. coli (we are back with these pesky little coliforms)…

Slide 1 Announcements 1. Reading Ch. 15: skim btm 425-426 2. Look over problems Ch. 15: 5, 6, 7. Slide 2 Review of Last Lecture I. RNA processing in eukaryotes II. Translation…