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What is osmosis?

Osmosis is the passive process by which water moves through a partially permeable membrane from a high concentration of water to a low concentration of water down a concentration gradient.
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Answered by Davina B. • Biology tutor
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What are good techniques for remembering the dates of important historical events?

The timeline is often an undervalued tool to learning dates. Visual learners especially may find it useful to see the order of events set out logically in front of them. Using colour coordination for certain...
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Answered by Sarah I. • History tutor
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How can I improve my ability to write a good quality essay in the short time frame of my exam?

The answer is a combination of knowledge, structure, and practice. You are affectively aiming to achieve a mark for every minute of your exam which leaves little time for planning your answer. The key to ove...
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Answered by Sarah I. • History tutor
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Describe how mRNA is produced within a cell

DNA is unwound by DNA helicase. This exposes the two strands of DNA, through the breaking of hydrogen bonds. This allows for complementary RNA nucleotides to join to one of the two strands - i.e. they are 'a...
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Comment on how Schoenberg uses: Melody, Harmony, Rhythm, Texture and Dynamics in Peripetie from Five Orchestral Pieces

The melody of the piece, which uses all twelve pitches, is disjunct. This is due to the fact that Schoenberg used octave displacement throughout his piece. The harmony is atonal. This is helped by the use of...
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Answered by Davina B. • Music tutor
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