Inv. 3 Cell Cycle and Mitosis Retake 2024

What are the three phases of interphase in the cell cycle?

• G1, S, G2

• G1, G2, M

• S, G2, M

• G1, M, S

During which phase of interphase does DNA replication occur?

• G1 phase

• S phase

• G2 phase

• M phase

What is the primary purpose of the G2 phase in interphase?

• Cell growth and protein synthesis

• DNA replication

• Preparation for mitosis and repair of DNA damage

• Cell division

Why is the proper completion of the G1 phase essential?

• It ensures successful DNA replication by providing necessary resources.

• It allows for cell division to occur.

• It repairs DNA damage from replication.

• It minimizes errors during mitosis.

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What is the primary role of mitosis in living organisms?

• To ensure genetic consistency across cells

• To create genetic diversity

• To eliminate damaged cells

• To produce energy for the cell

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During which phase of mitosis do chromosomes align in the center of the cell?

• Prophase

• Metaphase

• Anaphase

• Telophase

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What happens during anaphase of mitosis?

• Chromatin condenses into visible chromosomes

• Chromosomes align in the center of the cell

• Sister chromatids are pulled apart to opposite ends of the cell

• The cell prepares to divide into two new cells

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Why is mitosis important for wound healing?

• It generates new cells to replace damaged ones

• It removes dead cells from the wound

• It provides energy for the healing process

• It prevents infection by producing antibodies

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Which of the following is NOT a phase of mitosis?

• Prophase

• Interphase

• Metaphase

• Telophase

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What characterizes cancer cells?

• Uncontrolled cell growth

• Controlled cell growth

• Normal cell cycle regulation

• Decreased cell growth

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