Which Statement Best Explains Contact Inhibition

question 45

Multiple Choice

Which statement best explains contact inhibition?

• A) Contact between neighbouring cells triggers reactions that lead to inhibition of mitosis.
• B) As cell number increases, the level of waste products increases, consequently slowing metabolism and leading to mitosis.
• C) As cell number increases, the protein kinases they produce compete with neighbouring cells, thus inhibiting mitosis.
• D) As neighbouring cells become more tightly packed together, their size is restricted and cytokinesis can no longer occur.

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