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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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In a fluorescent tube, how are the atoms in the tube excited?

As there is a potential difference in the fluorescent tube. Electrons will flow from negative to the positive . These electrons collide with the orbital electrons in the atoms of the fluorescent tube. As the...
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Answered by Shaun W. • Physics 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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