Cell Cycle

Which of the following is the correct order of the phases in the cell cycle?

• G1, S, G2, M

• S, G1, M, G2

• M, G1, S, G2

• G2, S, G1, M

During which phase of mitosis do the chromosomes align at the cell's equatorial plane?

• Prophase

• Metaphase

• Anaphase

• Telophase

Which phase of the cell cycle is characterized by DNA replication?

• G1 phase

• S phase

• G2 phase

• M phase

What is the primary difference between cancer cells and normal cells in terms of the cell cycle?

• Cancer cells have a longer G1 phase.

• Cancer cells bypass cell cycle checkpoints.

• Cancer cells do not undergo mitosis.

• Cancer cells have a shorter S phase.

Which stage of mitosis involves the separation of sister chromatids?

• Prophase

• Metaphase

• Anaphase

• Telophase

What is the function of the G2 phase in the cell cycle?

• DNA replication

• Cell growth and preparation for mitosis

• Chromosome alignment

• Cytokinesis

Which of the following is a common characteristic of cancer cells?

• Increased apoptosis

• Uncontrolled cell division

• Decreased mutation rate

• Enhanced DNA repair mechanisms

During which phase of mitosis does the nuclear envelope re-form around the separated chromosomes?

• Prophase

• Metaphase

• Telophase

• Anaphase

Which checkpoint in the cell cycle ensures that all chromosomes are properly attached to the spindle before anaphase begins?

• G1 checkpoint

• G2 checkpoint

• M checkpoint

• S checkpoint

What is the role of the M phase in the cell cycle?

• Cell division

• Cell growth

• Protein synthesis

• DNA replication