PROTO-ONCOGENES are corresponding normal cellular genes to an oncogene that is responsible for normal cell growth and division.
An oncogene refers to a gene that is capable of causing cancer due to damage to the DNA molecule either by virus or other DNA damaging agents. A proto oncogene is the normal version of the gene while an oncogene is the abnormal version of the concerned gene.
The causes of the attractions and repulsion between molecules of water is that the oxygen and hydrogen atoms share electrons in bonds but its not equal. I hope this is the answer you are looking for! :)
You are right it’s D
Wish you luck
Answer:
(sorry if im incorrect)
D
an organ, a level of organization that is higher than an organelle
Explanation:
So levels of structures goes :
atom, molecule, organelle, cell, tissue, organ, organ system, organism
