Cancer Flashcards
1
Q
what is cancer
A
mutations in the genes that control cell division can cause cells to grow out of control
2
Q
what type of mutatens cause cancer
A
ionising radiation (UV RAYS) , carcinogenic chemicals ( cigarette smoke )
3
Q
What is malignant cancer
A
- A malignant tumour grows quickly, will invade other tissues and can break off and spread around causing tumour - life threatening
4
Q
What is benign cancer
A
tumour grows slowly and is kept in one place - don’t invade other tissues
5
Q
What are examples of cancer treatments
A
Chemotherapy - prevents synthesis of enzymes required for dna replication
Radiotherapy - cell killed
Drugs - prevent spindle fibres - prevents mitosis
6
Q
what is apoptosis
A
Programmed cell death
