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Explain the use of Imperfekt and Perfekt, and give one example each.

The German tense of Imperfekt is used when describing situations that occured in the and which have no influence on the present. It is also used when talking about states and feelings in the past. Additional...
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Answered by Jeanette S. • German tutor
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Describe the structure of proteins

Proteins have a primary, secondary, tertiary and quaternary structure. The primary structure comprises of the specific sequence of amino acids which are held together by peptide bonds. The secondary structur...
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Answered by Taran T. • Biology tutor
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Explain an example of classical conditioning.

One of the most important studies into classical conditioning was done by Pavlov. In his experiment he aimed to prove how learning by association produces conditioned responses. To do this, he paired a neutr...
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Answered by Imogen E. • Psychology tutor
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How do you solve simultaneous equations?

Simultaneous equations have two unknowns, you need to find out one of the unkowns (eg. x) in terms of the other (e.g. y) in order to solve both unknowns. Using these two examples (x and y) we can construct a...
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Answered by Charlie O. • Maths tutor
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Who were the Romantics?

The Romantics were a group of poets that were a part of the Romantic movement that marked a profound shift in sensibilities from the age of reason approach of Classicism. Looseness of form, nature, mortality...
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