Category: Learning Centre
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The lac Operon Explained
The lac operon is the gene which is incorporated in the metabolism of glucose. The lactose metabolism is regulated my the expression and non-expression of the lac operon. The gene which is transcribed contains the CAP ( the region where the activator binds), and then there is the lacI gene, which independently expresses the repressor…
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Regulation of Gene Expression and Operons Explained
Goals Explain why it is important for cells to express different genes at different times, in prokaryotes and eukaryotes. Describe the general function of a transcriptional activator and transcriptional repressor Describe what an operon is and its basic regulation Explain how and under what conditions the lux operon is regulated Predict the effect of mutations…
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Are GMO’s Bad?
What are GMO’s What are GMO’s? Do you know what they are? Credit: Jimmy Kimmel Live The acronym of GMO’s is Genetically Modified Organisms. GMO’s when not talked about food is known as a Transgenic organism, meaning genes of one organism is transferred into another. They contain DNA from another species. This is done in…
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French Lesson 18
In previous lessons we seen that, yes or no questions can be asked using a basic question pattern which enable you to make a declarative sentence interrogative. We also seen, that in order to retrieve specific information, an interrogative expression is used such as an adverb, pronoun, or adjective. The interrogative functions as a way…
