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Inhibitors prevent enzymes from working properly. Explain how a competitive inhibitor works and how it affects the rate of reaction of the enzyme.

Competitive inhibitor molecules are a similar shape to the substrate that fits into the enzyme's active site. The competitive inhibitor competes with the substrate molecules to fit into and bind to the activ...
KL
Answered by Kirsteen L. Biology tutor
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The equation of a circle is x^2+y^2-6x-4y+4=0. i) Find the radius and centre of the circle. ii) Find the coordinates of the points of intersection with the line y=x+2

i) x 2 + y 2 - 6x - 4y + 4 = 0 x 2 - 6x + y 2 - 4y + 4 = 0 group the terms together x 2 - 6x = (x - 3) 2 - 9 factorise the x terms y 2 - 4y = (y - 2) 2 - 4 factorise the y terms x 2 - 6x + y 2 - 4y + 4 = (x ...
RL
Answered by Ralf L. Maths tutor
8592 Views

How do you do algebraic long division?

To find the quotient and remainder of an algebraic division we use a technique similar to long division at GCSE. I think the best and easiest way to learn this method is to go through an example. See the whi...
NB
Answered by Niamh B. Maths tutor
5026 Views

A cycle race across Hungary is 392,5 miles long. Bob is a contestant in this race, he can go as fast as 13.48 miles per hour and can pedal 6 hours a day. Work out in how many days will Bob complete this race.

First we need to list what we know from the text. Bob's speed : 13,48 mph and 6hour a day. The distance is 392,5 miles. How do we get the number of hours? Distance/Speed = 392,5/13,48 = 29,1172~ 29,12hours. ...
AV
Answered by Adam V. Maths tutor
3080 Views

Discuss the possible impact of supermarket monopsony power on both food suppliers and consumers?

One possible impact of supermarket monopsony power on suppliers is it will decrease their profits, possibly driving them out of the industry. A monopsony can be defined as when there is only one buyer in the...
GL
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