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- 1. Multiple Choice
The causes of cancer may include which of the following?chemical carcinogensUV radiationinheritanceall of these - 2. Multiple ChoiceThe uncontrolled growth of a cell is due to.....too many organellescells getting too bigcells behaving abnormallyall of the above
- 3. Multiple ChoiceTumors are...A big fatty lumpmass of abnormal cells that can grow uncontrollablySomething that sticks out from your bodyIt's not a tumor
- 4. Multiple ChoiceCancer creates abnormal cells by disrupting....the cell cyclered blood cell formationDNA replicationATP synthesis
- 5. Multiple ChoiceApoptosis is.......programed cell deatha phase of mitosisa type of cancera carcinogen
- 6. Multiple ChoiceAny substance that is known to cause cancer is called a....carcinogennicolytepathogenretrovirus
- 7. Multiple ChoiceWhat is a checkpoint in the cell cycle?A check to see if the cell is ready to move onA check to slow mitosis downA check to see if the cell is performing mitosis or meiosisA check to make sure the cell doesn't die
- 8. Multiple ChoiceTrue or false? Cancer begins when mutations disrupt the normal cell cycle, bypassing the checkpoints, causing cells to divide in an uncontrolled way.TrueFalse
- 9. Multiple ChoiceA ________________ is a critical point where stop and go signals can regulate the cell cycletumorcheckpointmitotic indexcarcinogen
- 10. Multiple ChoiceThe mitotic index shows.....the percentage of cells in a sample that are undergoing mitosisthe percentage of cells in a sample that are undergoing meiosisthe percentage of cells in a sample that have cancerthe percentage of cells in a sample that are in apoptosis
- 11. Multiple ChoiceIf a sample of 600 cells has 90 cells in some stage of mitosis, the mitotic index would be....6.67%15%66.7%0.15%
- 12. Multiple Choice
Body cell 'Q' had a normal mitotic index of 9.3%. However, scientists measured an increase in the mitotic index to 22.7%. This increase could NOT be explained as....
a normal increase in cell division due to the cell increasing it's mitotic rate
an abnormal increase in cell division due to mutations in the DNA
a normal increase in cell division due to damage/death of nearby cells
an abnormal increase in cell division due to the cell 'blowing through' its checkpoints
- 13. Multiple ChoiceThe mitotic index of this cell sample is........26.7%36.4%0.267%0.364%
- 14. Multiple Choice
Which stages of the cell cycle contain check points?
G1
M
G2
S
- 15. Multiple Choice
During cell cycle checkpoints during interphase, the cell checks that.... (3)
the DNA is 100% correct and perfect
the cell is growing correctly
there are enough nutrients and resources for the cell to continue
the cell is able to self destruct
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