Cell Cycle

Why is the Cell Cycle often represented as a circle?

• Because it is easy to draw

• Because cell cycles has a distinct beginning and end point

• to highlight the checkpoints

• to show that it repeats over and over

In which part of Interphase are the chromosomes replicated?

• G0

• G1

• S

• G2

Spinal cord injuries are difficult to treat because damaged nerce cells do not regenerate. Which of the following most accurately explains why damaged nerve cells no longer regenerate?

• Mature nerve cells are in a resting state (G0); they no longer divide during mitosis

• Nerve damage disrupts the cell cycle at the G1 phase

• Nerve damage disrupts the cell cycle at the S phase

• Nerve damage prevents centrioles from being synthesized

During which stage of the cell cycle does the nucleus divide?

• interphase

• mitosis

• endocytosis

• cytokinesis

Tags

NGSS.HS-LS1-4

Which statement below desribes the events during G2 of Interphase?

• The cell grows, develops, and makes new proteins

• The DNA replicates to form a new set of identical chromosomes

• The cell grows, makes new organelles, and prepares for mitosis

• the nucleolus disappears and the nuclear envelope disintegrates

Tags

NGSS.HS-LS1-4

Which stage of the cell cycle is MOST critical for ensuring that daughter cells are identical?

• G1

• S

• Prophase

• G2

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NGSS.HS-LS1-4

Which is not a phase of the cell cycle?

• Interphase

• Mitosis

• Cytokinesis

• Duplication

Select all stages of interphase?

• G₁

• S

• G₂

• Mitosis

In which stage of the cell cycle does the cell split into two?

• Mitosis

• G₁

• Cytokinesis

• S

Tags

NGSS.HS-LS1-4

_____ is the uncontrolled growth of cells, often resulting in a tumor or mass of abnormal cells

• Cancer

• Apoptosis

• Radiation

Tags

NGSS.HS-LS1-4