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Rather than cells having receptors specific to viruses, cells have receptors specific to molecules it needs to acquire from outside the cell, such as glucose (needed for respiration). It is the viruses who a...

When analysing art, you should first of all find out when the piece was created, who created it and what the piece was created using (for example, is it a painting? a sculpture or a photo?). After you have f...

In a retrieve and recall question, you will need to first of all read the article you've been given, then you will need to find some key information that you think is important, and finally write around thes...

There are a selection of "verbs of movement" in French which use être as their auxiliary verb in the perfect tense instead of avoir. You can remember these using the mnemonic "MRS VAN DER TRAM...

This question is about multiplying two brackets together. There are two parts to each bracket: x , +3 and x , +5 . The parts in the first bracket must each be multiplied by both parts in the second bracket. ...