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Molecular Biology Of The Cell 6th Edition by Bruce Alberts, Alexander Johnson, Julian Lewis, David Morgan, Martin Raff, Keith Roberts, Peter Walter
النسخة 6الرقم المعياري الدولي: 978-0815345244Molecular Biology Of The Cell 6th Edition by Bruce Alberts, Alexander Johnson, Julian Lewis, David Morgan, Martin Raff, Keith Roberts, Peter Walter
النسخة 6الرقم المعياري الدولي: 978-0815345244 تمرين 1
DNA repair mechanisms all depend on the exis- tence of two copies of the genetic information, one in each of the two homologous chromosomes. Discuss the following problems.
E. coli bac- terium, allow the cultures to grow until each contains 106 cells, and then measure the number of cells in each culture that carry a mutation in your gene of interest. You were so surprised by the initial results that you repeated the experi- ment to confirm them. Both sets of results display the same extreme variability, as shown in Table Q5-1. Assuming that the rate of mutation is constant, why do you suppose there is so much variation in the frequencies of mutant cells in different cultures?
E. coli bac- terium, allow the cultures to grow until each contains 106 cells, and then measure the number of cells in each culture that carry a mutation in your gene of interest. You were so surprised by the initial results that you repeated the experi- ment to confirm them. Both sets of results display the same extreme variability, as shown in Table Q5-1. Assuming that the rate of mutation is constant, why do you suppose there is so much variation in the frequencies of mutant cells in different cultures?
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The reproducibility of mutation frequenc...
Molecular Biology Of The Cell 6th Edition by Bruce Alberts, Alexander Johnson, Julian Lewis, David Morgan, Martin Raff, Keith Roberts, Peter Walter
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