Cell Cycle Regulation

Normal Cell Cycle Abnormal Cell Cycle Apoptosis Stem Cells (: What you need to know!
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Terms in this set (...)

Cyclin
Definition: A protein that regulates the cell cycle.
Cyclin-Dependent Kinase
Definition: Enzyme that regulates the cell cycle.
Cyclin binds on the Cyclin-Dependent Kinase to trigger and control activities.
What is the role of cyclins in the cell cycle?
Interphase and Mitosis
In which phases do the cyclins regulate the cell cycle in?
The checkpoints monitors things so that if something goes wrong it can be stopped.
What is the importance of quality control checkpoints?
Carcinogens
Definition: Substances and agents that are known to cause cancer.
Mutations or changes in the segment of DNA controlling the production of proteins.
What is the cause of cancer?
More than 1 change in DNA
What is required to change an abnormal cell into a cancer cell?
The risk of cancer increase with age.
How does age relate to cancer?
Apoptosis
Definition: programmed cell death, when cells shrink and shrivel.
Apoptosis
What do all animals seam to have?
Stem Cells
Definition: Unspecialized cells that can develop into specialized, cells when under the right conditions.
Embryonic Stem Cells
Definition: Sperm fertilizing egg
Adult Stem Cells
Definition: Various types of tissue in the body.