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2018Lecture 2 (1-19-18).pdf

2018Lecture 2 (1-19-18).pdf - Chapter 1 Cells The...

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Chapter 1: Cells: The Fundamental Units of Life 1. What is LIFE? What is a CELL? 2. Why study cells? 3. Prokaryotes (Proks) and Eukaryotes (Euks) 4. Differences between Proks and Euks - Curiosity and thirst for knowledge - Joy of discovery - Urge to understand diseases Why Study Cells? Chapter 1: Cells: The Fundamental Units of Life 1. What is LIFE? What is a CELL? 2. Why study cells? 3. Prokaryotes (Proks) and Eukaryotes (Euks) 4. Differences between Proks and Euks - Use DNA to RNA to Protein - Other Metabolic Pathways Similarities between Prokaryotic and Eukaryotic Cells Prokaryotes include Eubacteria and Archaebacteria Figure 1-2 Phylogenetic Tree of Life astrobiology.nasa.gov ~3.5 billion years ago ~2 billion years ago (Eubacteria) (Archaebacteria) Chapter 1: Cells: The Fundamental Units of Life 1. What is LIFE? What is a CELL? 2. Why study cells? 3. Prokaryotes (Proks) and Eukaryotes (Euks) 4. Differences between Proks and Euks Eubacteria and Eukaryotes
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i) Membrane-bound Organelles only in eukaryotes - Two membranes (Nucleus, Mitochondrion, Chloroplast) Differences between Prokaryotic and Eukaryotic Cells Figure 1-14: Nucleus Figure 1-17: Mitochondrion i)
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