Tumors

Question 1

tumor

Answer 1

area of uncontrolled cell growth

Question 2

normally the body

Answer 2

controls cell growth and division

Question 3

old or unhealthy cells…

Answer 3

die and are replaced by new ones

Question 4

a mutation causes…

Answer 4

this balance to be disrupted and a tumor can form

Question 5

tumor suppression genes

Answer 5

protective genes that limit cell growth
how quickly a cell divides
repairing mismatched dna
controlling apoptosis (self destruct sequence)

Question 6

one mutation will…

Answer 6

not necessarily cause a tumor. they likely involve multiple mutations in the correct combination at the correct time

Question 7

human have

Answer 7

3 billion bases pairs

Question 8

benign tumor

Answer 8

a growth that is not cancer
can grow and affect surrounding tissue but will not spread
depending on its affect on the body treatment may be recommended or not

Question 9

malignant tumor

Answer 9

can invade and destroy nearby tissue

can spread to other parts of the body

Question 10

metastasis

Answer 10

a cancerous cell will enter the blood or lymph system and spread to different parts of the body