When Laybourne and Kadonaga studied the effects of histone proteins on eukaryotic transcription using an in vitro transcription assay explain why: a) they used two different DNA templates that contained different promoter structures. b) when they included both activator protein and histones, they always added the histone protein before adding the activator to the transcription assay mixture. (Ctri) -

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Q: How Linker scanning mutations identify transcription control elements. ?

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Q: Explain briefly the transcription termination stage.

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Q: Suppose you want to study the transcription in vitro of one particular gene in a DNA molecule that…

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Q: Contrast the two types of transcription terminators in E.coli.

A:

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Gene Interactions

When the expression of a single trait is influenced by two or more different non-allelic genes, it is termed as genetic interaction. According to Mendel's law of inheritance, each gene functions in its own way and does not depend on the function of another gene, i.e., a single gene controls each of seven characteristics considered, but the complex contribution of many different genes determine many traits of an organism.

Gene Expression

Gene expression is a process by which the instructions present in deoxyribonucleic acid (DNA) are converted into useful molecules such as proteins, and functional messenger ribonucleic (mRNA) molecules in the case of non-protein-coding genes.