1.Describe one way the first organic molecules may… Show m

1.Describe one way the first organic molecules may… Show more Chapter 1: An Overview of Cells and Cell Research 1.Describe one way the first organic molecules may have been created. 2.List the main differences between Prokaryotic and Eukaryotic cells (See Table 1.1) 3.All cells are thought to have evolved from a common ancestor because of their similarities. What do all cells have in common? 4.What macromolecule was thought to be the initial genetic system for the first cells? 5.What is the molecular basis for RNA and DNA to be able to replicate themselves? 6.The Earth’s atmosphere is thought to have originally been anaerobic. Which energy-generating reaction is common among all cells and is thought to be the original way cell’s used to make ATP? 7.Which energy-generating reaction may have provided the first oxygen in our atmosphere? 8.What third reaction is likely to have evolved after O2 was present? 9.Describe how endosymbiosis is thought to have occurred? What advantages does it provide the two cells involved? 10.What is one piece of evidence that chloroplasts and mitochondria arose from endosymbiosis of bacteria? 11.Your textbook describes the eukaryotic genome as having a mosaic nature. Describe what this means and the recent hypothesis that is used to explain this. 12.What is the simplest unicellular eukaryote? 13.What 6 kingdoms are given in your textbook? 14.List the main experimental model organisms given in the book. Know which of these is important for plant molecular biology and development, invertebrate development, vertebrate development, and mammalian development. 15.Be able to name the following scientists, and know when and what their contributions were to the world of light microscopy: Robert Hooke, Antony van Leeuwenhoek, Matthias Schleiden, Theodor Schwann. 16.Define magnification, resolution, and numerical aperture. 17.Name the three different types of light microscopy given in slide 23 and be able to identify which pictures were taken with which type of light microscope. 18.Be able to recognize if a picture represents fluorescence microscopy and/or confocal microscopy. 19.What is GFP and what is the advantage of using this in microscopy? 20.What is multi-photon excitation microscopy and what advantage does this have over confocal microscopy? 21.Describe how differential centrifugation works. How does density gradient centrifugation differ? 22.How do plant and animal tissue culture differ? • Show less

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