Cancer

Question 1

What is a Mutation?

Answer 1

Changes to the base sequences of DNA

Question 2

What is a Malignant tumour?

Answer 2

It grows quickly and invades other tissues. Spread throughout the body causing tumours in other organs

Question 3

What is a Benign tumour?

Answer 3

It grows slowly and do not invade other tissues

Question 4

What do cancer treatments do?

Answer 4

They control the rate of cell division in cancer cells by targeting the cell cycle to try and stop it

Question 5

What is Chemotherapy?

Answer 5

Prevents the synthesis of enzymes required for DNA replication. They stop the cell cycle before S phase,

Question 6

What can Chemotheraphy and Radiotheraphy damage?

Answer 6

DNA and it can force the cell to kill itself which is known as Apoptosis

Question 7

What can drugs do?

Answer 7

Prevent spindle fibers from forming will prevent mitosis stage as 1 cell will contain double the DNA and 1 cell will contain no DNA. This prevents the cells from functioning or dividing