The PCR step program was one cycle of 95°C, 5 min; 50°C, 3 min; 72°C, 3 min; followed by 40 cycles of 95°C, 30 s; 50°C, 30 s; 72°C, 45 s; followed by one cycle of 72°C, 5 min for the Flip ...

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Three young Christians explain the Holy Communion, an important ritual for Christians involving bread and wine. This topic will be relevant to teaching Religious Education at KS2, 1st Level and ...

Save guides, add subjects and pick up where you left off with your BBC account. Florence was born in 1820 in a big city in Italy. It's called Florence and that's how she got her name. She went to ...