Cancer

Question 1

Cancer has both a___as well as an environemental/behavioural component

Answer 1

genetic

Question 2

Cancer is a ___disease that is the result of____. It is therefore more prevalent in older pop.

Answer 2

somatic
large number of mutations

Question 3

The three main types of genetic mutations in cancer is associated with

Answer 3

oncogenes(growth)
tumour suppressor(stop)
DNA repair genes

Question 4

The cell cycle consists of _____. There are checkpoints at —-

Answer 4

G1, S, G2 and M. Checkpoints at G1(start) and G2/M anaphase to metaphase transition

Question 5

The cell cycle is regulated by ____and ___

Answer 5

cyclin-dependent kinase and ubiquities ligases

Question 6

Benign

Answer 6

grow in a confined area

Question 7

Malignant

Answer 7

capable of invading surrounding tissues as well as distal tissues by entering the blood stream

Question 8

p53 is___.Rb is

Answer 8

p53 creats apoptosis which kills damaged DNA. Rb gives anitgrowth signals. Cancer cells loss both