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Describe the operon hypothesis and discuss how it explains the control of messenger RNA production and the regulation of protein synthesis in bacterial cells.
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» Unit 5: Molecular Biology / Chapter 18: The Genetics of Viruses and Bacteria
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Desrcibing the operon hypothesis is how some gene can be active or inactive, by looking that it can show that there is more than one structure gene or "operator " in a cell, in which the goal of these genes is to break down latcose sugars. But yeah that all i know….
when genes become active and inactive activating diffrent places that all i know,
Operon Hypothesis was discovered by jacob and monod. Basically stating that certain genes can be active and inactive. The goal is to break down the lactose when its present in in a cell. The regulator gene is a section of the DNA respondible for producing the repressor molecule. The operator gene determones whether the structural gene is switched on. The structural gene is reponsible for the production of enzymes used in biochemical pathways. The repressor molecule is responsible for combining to either lactose or the operator gene. When lactose is absent, the repressor molecule attaches itself to the operator gene, turning it off. When lactose is present, the repressor cant attach itself to an operator gene. turning it on. because its on it begins to bode for "beta-galactosidase" {enzyme that can break down lactose into glucose and galactose}Protein synthesis must happen first the splicing, making codons and all that good stuff. before it becomes messenger RNA.and does its thing. The messenger RNA transcribes the DNA to a particular protein usually by tranfering it through the blood. I really dont know wnat to do but meah thats cool…..
Man i don't get this at all can somone explain in simpler terms(again sorry for any mispelled words)
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