Cell Biology - Cell Cycle & Division

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Q1. Which phase follows metaphase in mitosis? (2023)

Solution:

Anaphase follows metaphase, where sister chromatids are pulled apart to opposite poles of the cell.

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Q2. What happens during telophase of mitosis? (2019)

Solution:

During telophase, the nuclear envelope re-forms around the separated chromosomes, and spindle fibers disappear.

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Q3. What is the result of cytokinesis in animal cells? (2020)

Solution:

Cytokinesis results in the physical separation of the cytoplasm, leading to the formation of two daughter cells.

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Q4. In which phase of the cell cycle does the cell spend the majority of its life? (2021)

Solution:

The G1 phase is where the cell spends most of its life, performing normal functions and growing.

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Q5. In which phase do sister chromatids separate and move towards opposite poles? (2022)

Solution:

During Anaphase, sister chromatids are pulled apart and move towards opposite poles of the cell.

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Q6. What is the main purpose of the S phase in the cell cycle? (2022)

Solution:

The S phase is specifically for DNA replication, ensuring that each daughter cell receives a complete set of chromosomes.

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Q7. In which phase of the cell cycle does cytokinesis occur? (2021)

Solution:

Cytokinesis occurs during the M phase, following mitosis, to divide the cytoplasm and form two daughter cells.

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Q8. Which of the following is NOT a stage of the cell cycle? (2019)

Solution:

Synthesis is not a stage of the cell cycle; it refers to the S phase where DNA is replicated.

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Q9. What is the term for the division of the cytoplasm during cell division? (2020)

Solution:

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

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Q10. What is the phase of the cell cycle where DNA is replicated? (2020)

Solution:

The S phase (Synthesis phase) is where DNA replication occurs, resulting in the duplication of chromosomes.