1 2 3 Genes in a chromosome encode proteins or RNA. Examples of RNA include the tRNA and rRNA molecules important for translation, along with many others that we will not…

Slide 1 Bio 402/502 Section II, Lecture 1 The Cell Nucleus and Its Organization Dr. Michael C. Yu Slide 2 Outline of lectures by Dr. Yu (Section II) Lecture 1: The Cell Nucleus:…

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Slide 1Self Assessment Question 1 Which of the following statements is true? A.RNA polymerase has a proofreading activity. B.Prokaryotic RNA usually undergoes nuclear processing.…

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 1 Slide 2 Slide 3 The Central Dogma States: Genetic information flows in one direction from DNA to RNA to proteins. Includes 3 processes: RNA is the link between DNA…

Slide 1 Slide 2 Slide 3 Single nucleotide strand Sugar: Ribose 4 Bases: –A: Adenine –G: Guanine –C: Cytosine –U: Uracil U replaces T Three Types of RNA Slide 4 mRNA…

Slide 1 Cytoplasmic regulation lifetime localization initiation Slide 2 Post-transcriptional regulation 1) mRNA processing 2) export from nucleus 3) mRNA degradation 4) mRNA…

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Slide 1 Protein Synthesis Slide 2 DNA  RNA  Protein Slide 3 2 Major Steps 1.Transcription – DNA is transcribed (copied!) into single stranded mRNA (DNA code transcribed…