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Describe how the RER is involved in the production of enzymes. [2 marks] June 2014

To attain the two marks you have to say that the RER contains ribosomes and these synthesis proteins. Enzymes are specialised proteins.
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Answered by Tony A. • Biology tutor
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A naturally occurring sample of the element boron has a relative atomic mass of 10.8 In this sample, boron exists as two isotopes. Calculate the percentage abundance of 10B in this naturally occurring sample of boron.

The answer is 20%. This is a failry common question and stomps many students. The easiest way to answer this question, in my opinion, is to see that this question is asking you to figure out the ratio of iso...
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Answered by Tony A. • Chemistry tutor
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When should the subjunctive be used instead of the indicative?

The subjunctive is used when there is an element of doubt or uncertainty expressed in a phrase, for example, “il n’est pas certain que…”, “il n’est pas sûr que…” or “il est douteux que…”. Other subjunctive t...
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Answered by Chloe S. • French tutor
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If I was talking about spirituality regarding Wordsworth's 'Ode: Intimations of Immortality' and Blakes 'The Tyger', what would be an example of an introduction with a clear thesis statement?

The thesis statement is underlined/bold and always at the end of an introduction... NOTE: (O) and (T) are the abbreviated forms of the poems' titles. Both William Blake and William Wordsworth use various met...
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Answered by Ella M. • English tutor
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Can I have an example of an introduction for the question 'Explore how Shakespeare presents Othello?'?

In Othello , there are many characters and relationships used to explore the flaws of contemporary society. Tragedy as a form was popular in Jacobean times, with plays that explore a hero falling from a high...
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