Bio 1A Lecture 1 Questions

Bio 1A Lecture 1 Questions - Thought Questions for Spring...

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Thought Questions for Spring Bio1A Microbiology Lecture 2-27-09 1. Is a spot of bacteria growing on a Petri plate always a clone? Just what is a clone anyway? 2. If you see a colony of microbes growing on a Petri plate, how can you tell if it is a prokaryote or eukaryote? 3. What does it tell you when any bacterial cell from a culture tube, when plated onto a Petri plate, can grow into a colony of bacteria? Do you think it is possible that communities of bacteria might have properties that individual bacterial do not? 4. What do we mean when we say that a bacterial culture is in exponential phase? What is the exponent? How would you determine the doubling time of cells in exponential phase? 5. In an exponentially growing population of cells, what fraction of cells were born in the last generation? 6. If spontaneous mutations arise at a rate of 10 -9 per base pair per cell division, approximately how many mutations have occurred in the growth of a clonal population of 10 8 E. coli whose genome size is 4.3 X 10
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This note was uploaded on 02/27/2010 for the course BIO 1A taught by Professor Schlissel during the Spring '08 term at University of California, Berkeley.

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Bio 1A Lecture 1 Questions - Thought Questions for Spring...

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