CHAPTER 11

THE CELL CYCLE

The cell cycle is the series of events that take place in the cell leading up to its division and duplication of DNA.

There are many stages of the cell cycle like interphase, prophase, metaphase, anaphase and telophase

INTERPHASE

Interphase is a step of the cell cycle in which most cells spend most of their life

During this process the cell copies its DNA in preparation for mitosis

PROPHASE

Prophase is the first step of cell division that comes before metaphase

During this phase the chromosomes become visible as parked chromatids and the nuclear envelope disappears.

METAPHASE

The second stage of cell division where the chromosomes become attached to spindle fibers.

During metaphase the chromosomes carrying genetic information align with the equator of the cell and are separated into two danger cells.

ANAPHASE

The stage of cell division in which chromosomes move away from one another to opposite sides of the spindle

Chromosomes reach their overall maximum condensation in anaphase to help the grouping of chromosomes and the reformation of the nucleus

TELOPHASE

The final phase of cell division or the cell cycle

In this stage the chromosomes move to opposite ends of the cell and two nuclei are formed

During telophase the duplicated genetic material is separated and sent from the parent cell into the two daughter cells

Telomeres

Telomeres are the areas of repetitive nucleotide sequences at the end of each chromosome

The telomeres protect the chromosome from things like deterioration or from fusion with neighboring chromosomes

CANCER

Cancer is a group of diseases involving abnormal cell growth and has the potential to invade or spread to other parts of the body.

Credits:

Created with images by biology flashcards - "Metaphase" • matsjoyce - "3 - meta and ana" • fickleandfreckled - "BB12_Telophase"

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