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How does DNA replication occur in eukaryotes?

DNA replication involves a ‘complex system of enzymes'.  DNA replication is semiconservative (1 stand of the original 2 stranded piece of DNA is conserved)  It is a complex process involving many enzy...

Answered by Biology tutor
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Without expanding any brackets, work out the solutions of 9(x+3)^2 = 4

To solve for x first divide both sides by 9, giving the equation:(x+3)2 = 4/9Then square root both sides, leading to:x+3 = +/- 2/3Finally subtract 3 from both sides leaving:x = -11/3 or x = -7/...

Answered by Modestas T. Maths tutor
4510 Views

Explain why the use of petrol and diesel cars may be a source of market failure.

Pollution from petrol cars is an example of a negative externality (where the actions of one person impact another without the affected person being compensated). In a competitive economy people pay the &...

Answered by Economics tutor
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Solve the simultaneous equations: 3x + y =11; 2x + y = 8

subtract one from the other to eliminate y: 3x+y=11; 2x+y=8 --> x=3substitute value of x back in and solve for y: 3(3)+y=11; 9+y=11; --> y=2

Answered by Israel H. Maths tutor
2748 Views

(a) Expand and simplify (x − 3)(x + 5), ..2 marks.. (b) Solve x^2 + 8x − 9 = 0 ..3 marks..

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