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How are action potentials transmitted?

Information passes through nerves rapidly in the form of action potentials, or transient changes in voltage across the nerve cell membrane. Nerve cells, or neurons, are able to transmit action potentials tha...
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Answered by Kilda C. • Biology tutor
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How are single-gene disorders inherited?

Most of our characteristics are encoded by a pair of alleles. These are different forms of the same gene, one inherited from the father and one from the mother. Inheriting a mutated allele can lead to diseas...
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Answered by Kilda C. • Biology tutor
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what is an ion? and how are they made?

An ion is a charged particle. They are made when an atom of neutral charge accepts or donates an electron from another atom or ion in order to bond with one another.
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Answered by Shaun W. • Chemistry tutor
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Solve x^2-5*x+6=0

There are 2 methods we can use here. Method 1 - Factorisation If we can rewrite the equation so that it looks like (x+a)*(x+b)=0, where 'a' and 'b' are numbers, then we can easily find a solution. If one or ...
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Answered by Hannah D. • Maths tutor
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what are the energy changes when a car rolls from the top of a hill to the bottom? Name two forces that would slow the acceleration of the car?

At first as the car is on the top of the hill, it has GRAVITATIONAL POTENTIAL ENERGY As the car rolls down the hill, GRAVITATIONAL POTENTIAL ENERGY changes to KINETIC ENERGY. Friction and Air resistance
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Answered by Shaun W. • Physics tutor
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