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A Level

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 +...

TF
Answered by Tom F. Maths tutor
3696 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 wit...

BL
Answered by Ben L. Biology tutor
29265 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 man...

SW
Answered by Samuel W. Computing tutor
1998 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 trans...

AE
19880 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 unfavour...

LB
14598 Views

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