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What is an enzyme?

An enzyme is a protein that act as a biologcal catalyst, meaning that they will activate a biological reaction. Enzymes are very specific and will work with a specific substrate. You can think of an enzyme a...
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Answered by Laureen J. • Biology tutor
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Find the inverse of y = 2x+1/ x-1

the aim of finsing the inverse is making x the subject. To start we need to multiply both sides by: (x-1), giving us:y(x-1) = 2x+1now we need to expand the brackets:yx - y = 2x+1now gather all the x componen...
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Answered by Amelia S. • Maths tutor
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Whats the inverse of y = 2x+1/x-1 ?

To find the inverse we're wanting to make x the subject. First start by multiplying both sides by (x-1), this gives us y(x-1) = 2x+1. Expand the brackets giving yx - y = 2x+1. Gather all the x components ont...
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Answered by Amelia S. • Maths tutor
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The Alternating Current Flowing through the Primary Coil of the Transformer Creates an Alternating Current in the Secondary coil. Explain how!

The alternating current creates an alternating magnetic field across the transformer. A magnetic field develops in the iron core of the transformer. This causes a potential difference to be induced across th...
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Answered by Arthur G. • Physics tutor
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State and explain two adaptations of a red blood cell?

Red blood cells have a biconcave disk shape, meaning that it increases their surface area and allows for more rapid diffusion of oxygen into and out of the cell. Red blood cells do not have a nucleus so they...
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Answered by Joe D. • Biology tutor
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