cancer Flashcards
1
Q
what is a tumour
A
mass of unspecialised cells
formed by an uncontrolled cell division
2
Q
how can tumours harm the body
A
by damaging organs by causing blockages or exerting pressure on other organs
3
Q
when is cancer more common
A
in older people
cancer takes time to develop and the immune system is less affective in older people
4
Q
how can methylation lead to cancer
A
methyl groups can be added to a tumour suppressor gene
the transcription of the tumour suppressor genes is inhibited
protein not produced that prevents cell division
leading to uncontrolled cell division/ no control of mitosis
5
Q
what are benign tumours
A
cannot spread to other parts of the body or cannot invade neighbouring tissues unlike malignant ones
