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Define a gene

The basic unit of genetic material inherited from our parents - it is a short section of DNA.
AG
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Name two types of chemical bonds and describe each type in terms of their bonding structure and properties

Ionic Bonding Ionic bonding occurs between positive ions (cations) and negative ions (anions), which are attracted to each other through their oppisite charges. The resulting compound is reffered to as an io...
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How can I easily identify the features of a character within a text?

One way in which you can identify a character within a text, is through their use of dialogue. For example, a character such as Oliver Twist in Dickensian literature might have incredibly informal dialogue a...
LB
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Find the area of a circle with a diameter of 4cm.

The diameter of a circle is the longest measurement across the circle, and is a straight line passing through the middle. Half of this line is the radius, which is a straight line from the centre of the circ...
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Answered by Sabrina S. • Maths tutor
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When do I use the Sine rule?

You use the sine rule (a/sina=b/sinb) when you know 2 angles and one side amd you want to find out what the length of the side opposite one of the angles is.
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Answered by Edward S. • Maths tutor
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