Understanding the Cell Cycle and Mitosis

Which phase of the cell cycle is primarily responsible for the replication of DNA?

• G1 phase

• S phase

• G2 phase

• M phase

During which stage of mitosis do the chromosomes line up along the middle of the cell?

• Prophase

• Metaphase

• Anaphase

• Telophase

Tags

NGSS.HS-LS1-4

What is the main purpose of mitosis in multicellular organisms?

• To produce gametes

• To repair and replace cells

• To increase genetic diversity

• To reduce chromosome number

Tags

NGSS.HS-LS1-4

Which of the following correctly describes the order of the phases of mitosis?

• Metaphase, Anaphase, Prophase, Telophase

• Prophase, Metaphase, Anaphase, Telophase

• Anaphase, Telophase, Prophase, Metaphase

• Telophase, Prophase, Metaphase, Anaphase

Tags

NGSS.HS-LS1-4

What structure is responsible for pulling the sister chromatids apart during mitosis?

• Centromere

• Spindle fibers

• Cell membrane

• Nucleolus

Tags

NGSS.HS-LS1-4

In which phase of the cell cycle does the cell grow and perform its normal functions?

• G1 phase

• S phase

• G2 phase

• M phase

What happens to the nuclear envelope during prophase of mitosis?

• It remains intact

• It breaks down

• It doubles in size

• It becomes more rigid

Tags

NGSS.HS-LS1-4

Which of the following is NOT a part of the cell cycle?

• Interphase

• Cytokinesis

• Meiosis

• Mitosis

Tags

NGSS.HS-LS1-4

What is the role of the centrioles during cell division?

• To synthesize proteins

• To organize the spindle fibers

• To replicate DNA

• To form the cell membrane

Tags

NGSS.HS-LS1-4

During which phase of mitosis do the sister chromatids separate and move to opposite poles of the cell?

• Prophase

• Metaphase

• Anaphase

• Telophase

Tags

NGSS.HS-LS1-4