Which statement explains the relationship between telomere shortening and cancer cell proliferation?
A. Cancer cells proliferate indefinitely because they do not have telomeres.
B. Cancer cells can reproduce limitlessly because they do not undergo telomere shortening.
C. Cancer cells lack the enzyme telomerase, so they do not undergo telomere shortening.
D. Cancer cells grow uncontrollably because of accelerated telomere shortening.
E. Cancer cells grow uncontrollably because they have mutations that block telomere formation.
Answer: B
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