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Question: As you know Griffiths, and Avery, MacLeod and McCarty first experimented with the concepts of lateral (horizontal) gene transfer in bacteria as it relates to transformation. Please explain how they utilized this concept to argue for particular molecules being the hereditary material (the gene) and how did the use of DNase and RNase enzymes allow Avery, MacLeod and McCarty to suggest that they had more clearly indicated nucleic acids as the most likely candidate for the title genetic materials. What about the experiments of Heshey and Chase allowed this argument to be made even more strongly.
Discuss the greatest effect on determining which mutations will go to fixation in both a large population and a small population?
Eukaryotic cells may divide through the process of mitosis or meiosis. In humans, mitosis generates new cells for growth and repair.
If the genes were expressed in the cell, predict that signal would win out for the following combinations. Give details your reasoning.
Assume you have 2 tubes containing cultures of genetically distinct bacterial strains. You know that when you mix the two together, you get Horizontal gene transfer.
An organism has a diploid chromosome number of 12. How many chromatids will be visible during metaphase of mitosis? How many chromosomes will be visible at the end of anaphase in mitosis? For the similar organism, how many chromosomes will be present..
It had been the warm, wet spring and she complained of a large number of flies in the area. She felt sick last day there after eating some canned food, as there was no cooler there. You had no time for culturing, as you require taking action fast.
Assume you infected an E. coli culture with a virulent bacteriophage. Most of the cells lysed, but a few survived - 1x10^-4. You wonder where the resistant bacteria came from.
Describe the process of muscle contraction and how a neuromuscular blocking agent, such as metubine, would interfere with muscle contraction.
Which phenomenon accounts for movement of these genes. Because a doughnut contains large quantity of energy that can become available for our metabolism when eaten, why isn't the doughnut "jumping" all over counter or hot to the touch.
how Enzymes provide energy for the reactions they catalyze
What are the probable genotypes of all the parents. What specific benefits will cellular organelles have if enclosed by a cell membrane alike to the plasma membrane.
What effects may the reintroduction of wolves have on the ecological communities in the region? What might be done to mitigate the conflicts between ranchers and wolves.
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