TCancer

Question 1

3 begign and malignant differences

Answer 1

-Benign divide slower
-benign are non cancerous as adhesive produce prevents movement
-Can be removed surgically whereas malignant need chemo etc

Question 2

Oncogogenes

Answer 2

-mutated proto-oncogenes , caused permanent activation

Question 3

tumour supressent genes

Answer 3

-slow down division but mutation prevents so cell division continues and apoptosis does not

Question 4

3 ways increased oestrogen may cause cancer

Answer 4

-fat
-post menopause
-transcription factor