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Describe the various mechanisms by which expression of genes are controlled by the cell's environment.

One of the mechanisms within a cell’s own environment that plays a part in controlling the expression of genes is histone acetylation and de-acetylation. These are the processes by which the lysine residues ...
YJ
Answered by Yashoda J. • Biology tutor
2973 Views

How would I use the verb 'aller' in the past tense?

As 'aller' belongs to the Mrs Vandertramp family, we would use the Past Participle of 'être' rather than 'avoir' as the auxillary to form the past tense. The pronouns before are still the same, however rathe...
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Answered by Cameron R. • French tutor
3360 Views

Use differentiation to show the function f(x)=2x^3–12x^2+25x–11 is an increasing function for all values of x

Firstly, I would remember what differentiation shows - which is the rate of change of a function. I would think about how I could use this to show it's always increasing. Now the first derivative would show ...
9177 Views

What is the equation of the tangent of the circle x^2+y^2=25 at the point (3,4)

Graph Firstly, if not drawn for you it would be best to draw the graph which is given to you (in this case you should notice is a circle with a radius 5 as the general equation for a circle is (x-a) 2 +(y-b)...
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Answered by Alireza A. • Maths tutor
9395 Views

Factorise the equation x^2 + 5x+6 = 0

(x+3)(x+2)
JW
Answered by James W. • Maths tutor
3176 Views