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What is the difference between secondary and tertiary protein structure?

Secondary: localised folding within the polypeptide chain that is stabilised by hydrogen bonds. The most common secondary protein structures are alpha helices and beta sheets. Tertiary: this is the final for...
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Answered by Emma W. • Biology tutor
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What is a sequence analysis?

In film studies, a sequence analysis takes a close look at a specific clip in a film/production with an emphasis on cinematographic techniques. This close analysis should be of a short scene. You want to foc...
LS
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Did Vikings and other barbaric tribes (Magyars) of the Medieval period have an impact on Medieval politics?

Why Vikings and Magyars are not an Integral Part of Medieval European Politics Although the Vikings and Magyars are more than simplistic barbarians, their influence on the political culture of Europe, is not...
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Answered by Lorna S. • History tutor
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A boy kicks a ball and it is accelerated uniformly from rest so that after 10 seconds it has achieved a speed of 15m/s. Find the ball's acceleration.

First, clearly set out the information we know: U=0m/s, V=15m/s, T=10s, and identify the value we are wanting to find out: A=? Check that all of these value's units are in meters and seconds only. Recall the...
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Answered by Emma W. • Physics tutor
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What is an enzyme?

Enzymes are proteins that catalyse the conversion of substrates into products. Similar to other catalysts, enzymes are chemically unchanged during the reaction and they do not change the position of any equi...
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Answered by Bethany F. • Biology tutor
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