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Explain the differences between aerobic and anerobic respiration in terms of the roles of co-enzymes

During aerobic respiration, NAD and FAD collect protons and electrons from respiratory substrates. These electrons can be released into the transport chain of the mitochondrial matrix because oxygen is prese...
SB
Answered by Solomon B. • Biology tutor
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The line y = (a^2)x and the curve y = x(b − x)^2, where 0<a<b , intersect at the origin O and at points P and Q. Find the coordinates of P and Q, where P<Q, and sketch the line and the curve on the same axes. Find the tangent at the point P.

Firstly, for the points of intersection we need to equate the two expressions for y. Since we know that they intersect at the origin, we can immediately cancel the x values and then solve the quadratic for t...
JB
Answered by Josh B. • Maths tutor
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Explain the consequences of using high levels of nitrogenous fertilisers

Eutrophication is the process of artificially increasing the mineral content of water as a result of nitrogen-containing fertilisers, especially nitrates, leaching from agricultural land. The nitrates and ph...
JW
Answered by Jessica W. • Biology tutor
2797 Views

Explain how Edmund Gettier revised the tripartite theory of knowledge.

The tripartite definition of knowledge states that knowledge is justified true belief. That is, for an individual, A, to be able to claim that she knows that p is true, p must be true, A must believe that p ...
AS
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Use completing the square to find the minimum of y = x^2 - 4x + 8

Remember completing the square gives a result of the form (x+q) 2 + p where q and p are numbers Also q is always half of the x term, which in this case is -4, as such q = -2 Substituting this in, we get (x-2...
SD
Answered by Sol D. • Maths tutor
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