Cell Cycle and Mitosis

Front

What is the cell cycle?

Back

The cell cycle is the series of phases that a cell goes through from its formation until it divides into two daughter cells. It includes interphase (G1, S, G2) and the mitotic phase (mitosis and cytokinesis).

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NGSS.HS-LS1-4

Front

What are the main phases of mitosis?

Back

The main phases of mitosis are prophase, metaphase, anaphase, and telophase.

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NGSS.HS-LS1-4

Front

What occurs during prophase?

Back

During prophase, the chromatin condenses into visible chromosomes, the nuclear envelope breaks down, and the mitotic spindle begins to form.

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NGSS.HS-LS1-4

Front

What happens during metaphase?

Back

During metaphase, chromosomes align at the cell's equatorial plane, and spindle fibers attach to the centromeres of the chromosomes.

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NGSS.HS-LS1-4

Front

What is anaphase?

Back

Anaphase is the phase of mitosis where sister chromatids are pulled apart to opposite poles of the cell.

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NGSS.HS-LS1-4

Front

What occurs during telophase?

Back

During telophase, the chromosomes uncoil into chromatin, the nuclear envelope reappears, and the spindle apparatus disassembles.

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NGSS.HS-LS1-4

Front

What is cytokinesis?

Back

Cytokinesis is the process that follows mitosis, where the cytoplasm of a parental cell divides into two daughter cells.

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NGSS.HS-LS1-4

Front

How many chromosomes do fruit fly body cells have?

Back

Fruit fly body cells have 8 chromosomes.

Front

What is the result of mitosis in terms of chromosome number?

Back

The result of mitosis is that each daughter cell has the same number of chromosomes as the parent cell.

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NGSS.HS-LS1-4

Front

What is the significance of the G1 phase in the cell cycle?

Back

The G1 phase is the first stage of interphase where the cell grows, synthesizes proteins, and prepares for DNA replication.