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Show how to derive the quadratic formula

You have a general quadratic of the form: ax^2 + bx + c = 0, where a,b,c are constants (although is consistent for functions). Divide by a (assuming a/=0, this would not be a quadratic in that case):x^2 + (b...
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Answered by Tom F. • Maths tutor
4168 Views

How can a mutation in a sequence of DNA affect the function of a protein?

Firstly, it is important to recap how DNA codes for synthesis of proteins. mRNA is formed from complementary base pairing to the template strand of DNA in a process called transcription. Every 3 bases within...
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Answered by Ben L. • Biology tutor
32756 Views

What are the benefits of using thin clients.

A thin client is a simple computer with basic hardware. In networking, these are used as access points for a user, using the resources of a central server.The simplicity of the hardware means that for many u...
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Answered by Samuel W. • Computing tutor
2358 Views

Describe how the resting potential is maintained in a neurone, and what this resting potential value is.

The resting potential of a neurone is -70 mV, which means that it's more negative in the cytoplasm than in the tissue fluid. In the membrane there are sodium-potassium pumps which work using active transport...
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21666 Views

What are the conditions that prompt trade?

The conditions that prompt trade can be categorized into 'push' factors and 'pull' factors . Push factors refer to reasons why it may make sense to leave unfavourable domestic markets . Pull factors are attr...
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