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Released STAAR Biology EOC · 2026 · Item 11 · 1 point

Walkthrough: Biology 2026, Item 11

B.6C · Cell Cycle Disruptions · unscored study

Which statement describes how cells MOST LIKELY become cancerous?

  1. ATP is no longer needed for cell division since division is now self-regulated.
  2. Unregulated cell division occurs because of mutations in the DNA.
  3. DNA replication is omitted because of changes in the genetic code.
  4. Damage to DNA molecules results in improved responses to cell cycle checkpoints.

1. Understand the question

The question asks for the most likely cause of cancer. Think about what normally controls the cell cycle.

Try the question on your own first, then reveal one step at a time.

2. Solve it step by step

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Question, artwork, answer key and rationale: Texas Education Agency released STAAR test. Walkthrough steps written by TEKSForge. Studying here does not change your mastery or scores.