IN the course of virus yield studies it is often necessary to convert a tissue culture system from one size container to another in such a way that the ratio of the number of cells to the volume of ...

MATT:Welcome to The Maths show with me Matt Parker, today exploring ratio and proportion. MATT:Ratio is when you have different amounts ofingredients in a recipe or a pie… and proportion iswhen you ...

Try these interactive flashcards based on GCSE maths past papers. By working your way through the flashcards created by experts, you can prepare for your maths exams and revise commonly used ...