Vocabulary
The phase of the cell cycle where mitosis and cytokinesis occur (cell division)
M-Phase
The process of dividing the nucleus into two identical nuclei
Mitosis
The process of dividing the cytoplasm to form two separate cells
Cytokinesis
The second growth phase, where the cell prepares for mitosis
G2 Phase
A resting phase where cells stop dividing
G0 Phase
An enzyme that unwinds DNA during replication
DNA Helicase
An enzyme that adds new nucleotides to form a new strand of DNA
DNA Polymerase
An enzyme that connects DNA fragments during replication and signals for the stop of cell division
Ligase
Points in the cell cycle where cyclins ensure that everything is correct before moving to the next phase
Checkpoints
Refers to DNA replication, where each new DNA molecule has one oringinal strand and one new strand
Semi-Conservative
Programmed cell death to remove damaged or unnecessary cells
Apoptosis
The process where cells stop dividing when they touch other cells
Contact Inhibition
The maximum number of times a cell can divide before stopping.
Hayflick Limit
A gene that helps prevent cancer by stopping the cell cycle or causing apoptosis.
P53 Gene
When a virus causes mutations in the genes of DNA that can cause a cell to divide uncontrollablyDNA from a virus that can integrate into a host's genomeDN
Viral DNA
Material that makes up the chromosome
Chromatin
Things in your environment that can cause cancer
Carcinogens