AP BIOLOGY

CELL DIVISION

CELL DIVISION AND CANCEROUS CELLS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
When a cell is not dividing, and even as it duplicates the DNA in preparation for cell division, each chromosome is in the form a of along thin ____ fiber
A
chromosome
B
sister chromatid
C
chromatin
Explanation: 

Detailed explanation-1: -The cell cycle will not proceed to the next stage. Due to which the subsequent division will not happen. This will lead to cell death.

Detailed explanation-2: -Interphase is the longest part of the cell cycle. This is when the cell grows and copies its DNA before moving into mitosis.

Detailed explanation-3: -In a cell which is not dividing, DNA is present as part of chromatin material. These are called chromatin because they get coloured when they are stained. Chromatin material is visible as an entangled mass of thread-like structures.

Detailed explanation-4: -Disruption of normal regulation of the cell cycle can lead to diseases such as cancer. When the cell cycle proceeds without control, cells can divide without order and accumulate genetic errors that can lead to a cancerous tumor .

There is 1 question to complete.