The phase of the cell cycle that occupies
- Slides: 29
The phase of the cell cycle that occupies most of a cells life interphase
What occurs after cytokinesis is completed? • G 1
What is correct sequence of cell cycle • G 1, s, g 2, mitosis, cytokinesis
Cells that are not dividing remain in the • g 1
What occurs in s phase • Dna replication
The first 3 phases of the cell cycle are known as • interphase
Mitosis is the process by which • Nucleus divides
Mitosis forms cells that are • Diploid • identical
Normal cells become cancer cells when • Cells do not respond to checkpoints
How many chromosomes are in the body cells of an organism that has a haploid number of 10 • 20
Somatic cells are • Body cells • diploid
Gametes are • Sex cells • haploid
Crossing over occurs during • Meiosis • Prophase 1
What provides new genetic combinations? • Random fertilization • Random alignment • Crossing over
DNA is in the form of _____ when the cell is not dividing • chromatin
Harmful cancer • malignant
Checkpoints are checking for: • Is cell big enough • Are spindle fibers attached to chromosomes correctly • Is DNA copied correctly
Harmless cancers • benign
During what phase does the cell prepare for division • G 2
The failure of the chromosomes to separate during division is called: • Nondisjunction
Signs of Cancer? • Caution • ABCD
What phase of mitosis do chromosomes become visible • prophase
What is the correct sequence of events in Mitosis • PMAT
How many pairs of chromosomes are present in body cells? • 23
Differentiate between mitosis and meiosis • • • Crossing over Two divisions Haploid 4 cells Produces gametes (sperm/egg)
Growth of new blood vessels to support tumors is called _____. • angiogenesis
What is trisomy 21? • Down Syndrome
What is monosomy X? • Turners Syndrome
What is XXY • Klinefelter syndrome
- M phase of cell cycle
- What phase of mitosis is this?
- M phase
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- Biology.arizona.edu/cell bio/activities/cell cycle/01.html
- Mitosis
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