The study of cells is called cell biology. There are two types of the cell on the basis of their number and these are unicellular and multicellular.
The correct answer to the question is option B that is All of the cells are packed closely together.
According to the question, the cancer cell is defined as the cell which loses its dividing property and divides unconditionally in a specific position from a clumped and called cancer cell.
Cell regulates its division with the contact of other cells and this property is known as contact inhibition.
Hence, The correct answer to the question is option B.
For more information about the question, refer to the link:-
https://brainly.com/question/787658