Chapter 1 Notes

Chapter 1 Notes - Charles Darwin- natural selection: an...

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Ingrid Shih BIO 1305-08 25 August 2010 Tech Support for BioPortal and Prep-U: 1-800-936-6899 Chapter 1 Notes Biology is incredibly diverse and abundant. Sulfolobus- prokaryotic Escherichia coli- E coli also prokaryotic Studying Biology Microscope- led to advances in cell biology Robert Hooke- the first to proposed the idea of cells Cell Theory In 1838, Schleiden and Schwann proposed that: Cells are the basic units of organisms Cells are distinct and yet the building blocks of complex organisms Modern Cell Theory : Cells comes from pre-existing cells Cells are similar in chemical composition Most chemical reactions occur in aqueous solution in cells Genetic information is replicated and passed on Viruses lack cellular structure but are dependent on organisms Evolution Change in gene frequency over time
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Unformatted text preview: Charles Darwin- natural selection: an individual with a favorable trait are more likely to reproduce and pass on that certain gene than another individual without that certain trait. Genome, Cell Division, Genetics Every cell has the genetic information in the organism Cell Division- the process in which the DNA is replicated and passed on Ingrid Shih BIO 1305-08 25 August 2010 Hierarchy Science and Religion Scientific Method: • Make observations • Ask questions • Form hypotheses- statement of what you think what is going on o Null hypothesis- there’s no difference • Make predictions o How you think the factor is going to affect • Test the predictions o Comparative/manipulative (controlled) experiments Manipulative allows you to change one variable...
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This note was uploaded on 03/23/2011 for the course BIO 1305 taught by Professor Eldridge during the Fall '08 term at Baylor.

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Chapter 1 Notes - Charles Darwin- natural selection: an...

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