Exploring the Stages of the Cell Cycle

What is the primary purpose of the cell cycle?

• To grow and prepare for division

• To transport nutrients

• To produce energy

• To eliminate waste

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NGSS.HS-LS1-4

Which organelle is known as the powerhouse of the cell?

• Mitochondria

• Golgi apparatus

• Nucleus

• Endoplasmic reticulum

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NGSS.HS-LS2-5

How many pairs of chromosomes do humans have?

• 24

• 23

• 25

• 22

What is the main function of histones in chromosomes?

• To repair DNA

• To package DNA

• To transcribe RNA

• To replicate DNA

During which phase of interphase does DNA replication occur?

• G1 phase

• G2 phase

• S phase

• M phase

What is checked during the G1 checkpoint?

• Cell size

• Nutrient sufficiency

• DNA damage

• Chromosome replication

What happens during the G0 phase?

• Cell growth

• Cell division

• DNA replication

• Cell arrest

Which phase of mitosis involves the chromosomes aligning in the center of the cell?

• Prophase

• Metaphase

• Anaphase

• Telophase

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NGSS.HS-LS1-4

What is the final process called where the cell actually divides and separates?

• Metaphase

• Anaphase

• Prophase

• Cytokinesis

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NGSS.HS-LS1-4

How long does mitosis typically last?

• 2 hours

• 1 hour

• 3 hours

• 30 minutes

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NGSS.HS-LS1-4