What are some modern day follow up experiments or studies of theoriginal Meselson and Stahl experiment that can beresearched/proposed/done/etc ?
And what were the implications of the Meselson and Stahlexperiment?
And what were the implications of the Meselson and Stahlexperiment?
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One or more answers for the following questions! Need some help as soon as possible! Thanks!
In the Meselson/Stahl experiment, E. coli were first grown in media containing heavy nitrogen, 15N, and then transferred to light nitrogen, 14N at the beginning of the experiment.
What fraction of the DNA helices will consist of mixed DNA after 4 rounds of replication?
| Less than 25% | |
| More than 75% | |
| 25-50% | |
| 51-75% | |
| None |
Andrew Murray's sister, Andrea, is adding to her brother's work on chromosomes. She is using cells that are unable to synthesize adenine (âade) and histidine (âhis). The plasmid she is currently working with consists of an origin of replication and the Ade gene.
Following her transformation of the plasmid into her yeast, what media will the cells be plated on to select for cells that have picked up the plasmid?
| Media containing histidine | |
| Media containing adenine | |
| Media lacking adenine | |
| Media lacking histidine |
