AP BIOLOGY

CELL DIVISION

THE CELL CYCLE

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What is apoptosis?
A
Programmed cell death (cell suicide) to prevent the spread of mutated/cancerous cells.
B
A type of cell division done by most of your body cells.
C
The final separation into two daughter cells and completion of the cell cycle.
D
Sperm and egg cells.
Explanation: 

Detailed explanation-1: -In programmed cell death, cells undergo “cellular suicide ” when they receive certain cues. Apoptosis involves the death of a cell, but it benefits the organism as a whole (for instance, by letting fingers develop or eliminating potential cancer cells).

Detailed explanation-2: -(A-pop-TOH-sis) A type of cell death in which a series of molecular steps in a cell lead to its death. This is one method the body uses to get rid of unneeded or abnormal cells. The process of apoptosis may be blocked in cancer cells. Also called programmed cell death.

Detailed explanation-3: -Apoptosis is programmed cell death. Explanation: Apoptosis is the programmed cell death in which a cascade of events leads to the death of the cell.

Detailed explanation-4: -It also plays an important role in cancer.” One purpose of apoptosis is to eliminate cells that contain potentially dangerous mutations. If a cell’s apoptosis function is not working properly, the cell can grow and divide uncontrollably and ultimately create a tumor.

Detailed explanation-5: -Apoptosis describes the orchestrated collapse of a cell characterised by membrane blebbing, cell shrinkage, condensation of chromatin, and fragmentation of DNA followed by rapid engulfment of the corpse by neighbouring cells.

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