Mitotic Index

If 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%

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NGSS.HS-LS1-4

What is the mitotic index?

• The ratio of cells in mitosis to the total number of cells

• The ratio of cells in interphase to the total number of cells

• The ratio of cells in meiosis to the total number of cells

• The ratio of cells in prophase to the total number of cells

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NGSS.HS-LS1-4

Why is the mitotic index important in cancer research?

• It helps determine the growth rate of tumors

• It measures the DNA content of cancer cells

• It identifies the type of cancer present

• It calculates the age of cancer cells

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NGSS.HS-LS1-4

Which phase of the cell cycle is not included in the mitotic index?

• Interphase

• Prophase

• Metaphase

• Anaphase

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NGSS.HS-LS1-4

How is the mitotic index calculated?

• Number of cells in mitosis divided by total number of cells

• Number of cells in interphase divided by total number of cells

• Number of cells in prophase divided by total number of cells

• Number of cells in anaphase divided by total number of cells

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NGSS.HS-LS1-4

In a sample of 100 cells, 20 are in mitosis. What is the mitotic index?

• 0.2

• 0.5

• 0.8

• 1.0

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NGSS.HS-LS1-4

What does a high mitotic index indicate about a tissue?

• High cell proliferation

• Low cell proliferation

• High cell differentiation

• Low cell differentiation

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NGSS.HS-LS1-4

Which of the following is a real-world application of the mitotic index?

• Assessing the aggressiveness of a tumor

• Determining the color of a plant

• Measuring the height of an animal

• Calculating the weight of a cell

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NGSS.HS-LS1-4

What type of cells would likely have a low mitotic index?

• Nerve cells

• Skin cells

• Cancer cells

• Stem cells

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NGSS.HS-LS1-4

In which type of tissue would you expect to find a high mitotic index?

• Cancerous tissue

• Nervous tissue

• Muscle tissue

• Bone tissue

Tags

NGSS.HS-LS1-4