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Question: Normally multicopy plasmids do not integrate into the chromosome even when they contain considerable DNA sequence homology for recombination. Gutterson and Koshland (1983. Proc. Natl. Acad. Sci. USA 80: 4894-4898) showed that multicopy plasmids (such as pBR322) readily integrate into the chromosome of polA (encodes DNA polymerase I) mutants. Suggest an explanation for both of these results.
Describe in detail about cell wall and nucleooid of bacterial cell, their structure and composition.Explain the difference between ionic and covalent bonds.
When O2 binds to heme in hemoglobin, the is drawn into the plane of the porphyrin, causing conformational change that is transmitted to adjacent subunits.
If a maize plant is heterozygous for the alleles for pigmy and crinkly-leaf (both recessive to normal size of plant (S) and normal leaf (L) is self pollinated and 208 seeds are subsequently collected and germinated, how various would you expect to sh..
How will you find out the transcription factor binding sites in the whole genome. You have isolated a novel transcription factor. How would you decide the genes regulated by transcription factor in the whole genome.
The genotype of F1 individuals in a tetrahybrid cross is AaBbCcDd. Assume independent assortment of these four genes, what are the probabilities that F2 offspring will have the following genotypes.
Make a short essay on mechanisms by which redox reactions in mitochondria lead to the production of ATP by phosporylation of ADP to ATP
Explain physiological changes that occur in three different organ systems when food is ingested and how these systems coordinated a response in the human body.
The phosphorylation and dephosphorylation of proteins is a vital means of regulation. Protein kinases attach phosphoryl groups, whereas phosphatases remove phosphoryl group from the target protein. What is the energy charge of this kind of covalen..
Explain the chemotaxis system of E.coli and explain how it works to discern chemoattractant levels. Name specific proteins and molecules involved
Organisms on the planet Uglantis, that orbits distant star, have metabolism remarkably similar to that in organisms on Earth with a few exceptions.
How the glucose and phospholipids would be distributed after you let the mixture settle for 30 minutes. How may this happen considering natural cleaning mechanism of the respiratory system.
In humans, red-gren color blindness is recessive and X-linked, while albinism is recessive and autosomal. What types of children can be manufactured as the result of marriages between two homozygous parents.
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