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What is a gene?

A gene is a section of DNA that codes for a specific protein.
BC
Answered by Bethany C. • Biology tutor
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What is the difference between aerobic and anaerobic respiration?

Aerobic respiration takes place when oxygen is present, whereas anaerobic respiration takes place when oxygen is absent. Both processes take place in the mitochondria within the cells and releases energy.
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Answered by Bethany C. • Biology tutor
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The first three terms of a sequence are a, b, c. The term-to-term rule of the sequence is 'Multiply by 2 and subtract 4'. Show that c = 4(a – 3).

As the answer is given in the question, it's really important that you lay out your working carefully to give a convincing account as to how you got from the question to the answer. Here we have a sequence. ...
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Answered by Robin B. • Maths tutor
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What is a good way to remember the sine, cosine and tangent rules of a triangle?

If you are trying to find the sine of an angle, remember: SOH The sine of an angle (S)= the length of the opposite side (O) / the length of the hypotenuse (H) If you are trying to find the cosine of an angle...
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Answered by Hannah W. • Maths tutor
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Share £650 in the ratio 8:5

Begin by adding the 2 ratio parts (i.e. the numbers which make up the ratio) so 8+5 = 13. Then divide the total sum by the sum of the ratio parts. Thus £650/13 = £50. Multiply this by each of the ratio parts...
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Answered by Harry V. • Maths tutor
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