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The imperfect and perfect tenses are the two main past tenses used in french but it can be a bit tricky knowing when to use each one!I find that the easiest way of thinking about it is to think of the imp...
Mitosis is the way in which cells divide. Once one cell has undergone DNA replication, it contains 2 sets of chromosomes (diploid). Once mitosis has occurred, there will be two identical haploid...
The main difference between these two cell types is that eukaryotic cells have their DNA collected inside the nucleus, while prokaryotic cells lack nuclei. Instead, they have a circular piece of DNA calle...
A typical Spanish GCSE question asks the student to read a series of small paragraphs, that are character descriptions. Each description has the same sort of information, but of course varying according t...
Firstly, we can divide through by 2 to get a simpler form of the equation: x^2-7x+6=0. To solve this quadratic equation we need to factorise it. We do this by splitting it up into two brackets which would...
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