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Differentiate the following... f(x)= 5x^4 +16x^2+ 4x + 5

The rule for differentiating a simple equation such as this is, to times the coefficient by the power and the take one away from the power. Therefore, lets look at 5x^4 you would times the 5 by 4 to get 20x^...
CM
Answered by Celia M. • Maths tutor
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Assess how important purges were in allowing Stalin to retain control of Russia 1930-1940?

The command word in this question is 'assess'. That means they want you to compare the purges with other developments occurring throughout the period and reach a final judgement : for example, arguing the pu...
LH
Answered by Lachlann H. • History tutor
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Effect of non-competitive inhibitor (on enzyme activity) on enzyme catalysed reaction

Binds on to enzyme at a site that is not the active sitechanges the tertiary structure of the active sitesubstrate cannot bindinhibits enzyme activity
KC
Answered by Kelvin C. • Biology tutor
3076 Views

Effect of competitive inhibitor (on enzyme activity) on enzyme catalysed reaction

similar in shape to {substrate}fits onto active siteprevents substrate bindinginhibits enzyme activity
KC
Answered by Kelvin C. • Biology tutor
3135 Views

Effect of enzyme concentration in excess substrate on enzyme catalysed reaction

directly proportional: increase in [enzyme] will increase rate of reaction
KC
Answered by Kelvin C. • Biology tutor
3308 Views