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What distance is one Parsec

(Diagram needed) As the Earth orbits the sun, the apparent position of a (relatively) nearby star varies with relation to a background of much more distant stars. The parallax angle is the angle between obse...
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Answered by Katie G. • Physics tutor
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How do one tailed and two tailed hypothesis tests differ

A one tailed test is when you are testing specifically for an increase or decrease- eg whether the probability of a person buying a product has INCREASED after a marketing change A two tailed test is when yo...
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Answered by Katie G. • Maths tutor
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What is osmosis and how does it differ from what I learned at GCSE about diffusion

At GCSE osmosis was simplified to just diffusion of water so it is the spreading out of water molecules from where there is a high concentration to a low concentration- but in fact osmosis depends both on th...
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Answered by Katie G. • Biology tutor
6892 Views

What are the 5 stages of the Medical school Application?

Volunteering Work experience UKCAT/BMAT Personal Statement (UCAS) Interview Preparation (each is an extensive subject in itself but above provides a skeleton overview of whats ahead if you are about to start...
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Explain how the DNA of a Eukaryote is replicated

To replicate the DNA of a eukaryotic cell, the double helix structure must first be unwound to present the base pair sequence. This is done using DNA helicase (this enzyme breaks the hydrogen bonds connectio...
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Answered by Oscar W. • Biology tutor
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