MICROANATOMY

INTRODUCTION TO MICROSCOPY CELL BIOLOGY

DIFFERENTIATED CELL

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Tumors arise from ____ damaged cell with harmful DNA that divides and replicates.
A
1
B
10
C
100
D
1000
Explanation: 

Detailed explanation-1: -DNA damage has been long recognized as causal factor for cancer development. When erroneous DNA repair leads to mutations or chromosomal aberrations affecting oncogenes and tumor suppressor genes, cells undergo malignant transformation resulting in cancerous growth.

Detailed explanation-2: -One of the main sources of DNA damage is ionizing irradiation, which can cause direct or indirect DNA damage leading to changes in the structure of DNA that affects nuclear stability [10].

There is 1 question to complete.