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Biological Sciences AllOther (236) An unusual structure is formed at the 5? end of each cellular mRNA. What is it? After this has formed, does the mRNA have a 5? terminus? Explain.
1 3988Splicing of pre-mRNA involves an unusual phosphodiester bond. Why is it unusual? What parts of the intron/exon form this bond?
1 4661Many genes are regulated in both a negative and a positive manner. The genes mediating lactose metabolism in bacteria are a classical example. What are the two small molecule ligands that control expression of these genes? What does each one do?
1 4512Some proteins profoundly alter the structure of DNA when they bind, bending it far out of its standard B configuration. Where do you think the energy comes from to distort the DNA?
1 4532
now a days essential oils are different from volatile oils.why?
What are some biological examples in which lysosomic enzymes play fundamental role?
Explain monozygotic and dizygotic twins?
What do you mean by 'rostrum' with reference to the anatomy of the human brain?
How does hplc differ from normal column chromatography, and what are its advantages?
In which areas the highest numbers of Streptococcus salivarius are found in the oral cavity ?
Why mosquito bites and it causes itching?
After the morula stage what is the next stage?
give the formula of borax. Borax is chemically called as.
What is the most abundant form of nitrogen in nature?
What is mass transportation across the cell membrane?
Define a biome?
how I cell disease is caused?
how to Create population with sufficient genetic diversity ?
Give the chemical formula of Garnet?