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The lac operon has 3 components: the promoter (Binding site for RNA polymerase), the operator (binding site for the repressor) and the structural genes that code for the enzymes required for lactose metab...

A stationary point is a point on the function where the gradient is zero. The phrase 'stationary point' coming up in a question always indicates that differentiation may be useful to solve it. In this cas...

Carbon dioxide only comprises 0.04 % of the earth’s atmosphere but it is a vital molecule in many processes and effects organisms directly with photosynthesis in plants, body functions causing global warm...

These 3 terms all describe the 3 possible concentrations of a solution in respect to the water potential surrounding a cell.Isotonic solution (Iso=same and tonic=strength...

As there are two unknowns we have to eliminate either the x or the y in order to be able to solve. You can see that in the first equation the x value is a multiple of the x value in the second equation. T...