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The key for a good 30 marker is sticking to the same tried and tested method. Start off by defining any key terms in your introduction and potentially referencing data you may have been given. Then in the...

DNA normally exists in the cell as a double-stranded structure, comprising of two complementary strands that are held together by hydrogen bonds.

DNA replication involves two main steps. Firstly, t...

Understanding the subjunctive

Most of the time in Spanish we use the imperative mood in expressions of certainty and objectivity. However, using the subjunctive mood is an effective way of gaining ...

Balance sheet accounts are accumulated numbers after many years since the day of operation. Meanwhile, income statement accounts demonstrate the total value of transaction incurred only in the current (re...

Since the equation for y is a composite function (applying one function to another function) we need to use the chain rule to answer this question. Firstly let u = x^2+1 . This allows us to write y = 2u^3...