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There are a wide range of enteroendocrine cell types (see below) but it is specifically the 'I-cells' of the duodenum that secrete CCK. CCK is responsible for modulation of bile secretion, exocrine pancre...

When DNA is replicated, the original DNA double helix is separated into two strands. Each strand is used as a template for complimentary free nucleotides to bind to and create new complimentary DNA strand...

The best way to improve your listening skills in a language is to listen! Start with easier activities and then work your way to the harder ones. Step 1 - Start off by listening to tracks appropriate to y...

The pluperfect in Italian is a composite (or if you want to sound fancy, a periphrastic) tense, like the passato prossimo (e.g. ho finito, 'I have finished'), so we make it by combining an auxili...

For example, a bedroom, you can annotate a picture of one with french words associated with each piece of furniture. Using a visual aid could help improve your memory. Then, in your own room, you can put ...