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So one thing I observed in my Biology class was that students would memorise every single piece of inforrmation about each biological process that was written on their 'comprehensive flashcards'. One thing t...

As each O2 molecule binds to the haemoglobin, it alters the shape of the protein --> making subsequent binding more favourable. Therefore the affininity for oxygen will be greater in places with a higher ...

Enzymes increase the rate of digestion. At body temperature it would be too slow without them. Enzymes break down large insoluble molecules into small soluble molecules so that they can be absored into the b...

Stem cells are undifferentiated cells that retain the ability to specialize. In animals/ mammals, they are found in the embryos and adult tissue and in plants they are found in the meristematic tissue in the...

Firstly, when answering an IB essay question, remember that you are noted through key words or concepts. I will put these in italics and then explain them. DNA is composed of nucleotides , each nucleotide co...