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What are gene mutations?

A mutation is any change to the base sequence of DNA. The different types of mutations that can occur include: Subsitution - this is where one base is swapped for another Deletion - one or more bases are rem...
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Answered by Lauren G. • Biology tutor
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What is "The correspondence principle" and how does it work?

Bowles and Gintis are the founders of the concept called “The correspondence principle”. This concept describes how both school and workplace work collectively, to prepare the working class for their role in...
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Answered by Sophia S. • Sociology tutor
33104 Views

How do you find the coordinate of where two lines intersect?

Question: Line A has a gradient of 4 and passes through point (5,6). Line B passes through points C (0,5) and D (2,0). Find the coordinates of the point where the two lines intersection. Solution: First of a...
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Answered by Imogen W. • Maths tutor
40062 Views

Why do researchers need ethical approval to conduct psychological research?

Ethics are the moral principles that guide a person’s behaviour or how they conduct an activity. Before conducting a psychological experiment, researchers must apply for ethical approval. It is important to ...
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Using Discriminants to Find the Number of Roots of a Quadratic Curve

In general, we could apply the formula to work out the solutions of a quadratic function ax 2 +bx+c=0. The b 2 -4ac part is called the discriminant and the value of a discriminant could allow us to know the ...
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Answered by Angela L. • Maths tutor
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