Tuesday 5 January 2016

cell biology - What are the differences between cancer and tumour?


What are the differences between cancer and tumour? I mean is it in the DNA or shape or something else... And how can a benign tumour turn into a malignant tumour? The body has a lot of tumours all the time, however not all of them become cancerous, why is this so?


So my main question is: What is so special about cancer cells that they can get out of control unlike an ordinary benign tumour?




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evolution - Are there any multicellular forms of life which exist without consuming other forms of life in some manner?

The title is the question. If additional specificity is needed I will add clarification here. Are there any multicellular forms of life whic...