Which phase of the cell cycle is primarily targeted by anticancer chemotherapy drugs? A) G2 - growth phase B) G0 - resting phase C) M - mitosis D) S - synthesis phase
Understand the Problem
The question is asking about the specific phase of the cell cycle that anticancer chemotherapy drugs most commonly aim to disrupt. It presents options corresponding to different phases of the cell cycle, so we need to identify which phase is primarily targeted by these drugs.
Answer
S - synthesis phase
The final answer is S - synthesis phase
Answer for screen readers
The final answer is S - synthesis phase
More Information
Many chemotherapy drugs are designed to target rapidly dividing cells and are most effective during the synthesis phase (S phase) of the cell cycle. During this phase, DNA replication occurs, making these drugs effective in disrupting cancer cell proliferation.
Tips
A common mistake is confusing the S phase with the M (Mitosis) phase. While both involve cell division processes, the S phase is where DNA replication occurs, and it is often targeted by chemotherapy.
Sources
- Principles of Systemic Treatment (Advanced) - LearnOncology - learnoncology.ca
- The Influence of Cell Cycle Regulation on Chemotherapy - PMC - pmc.ncbi.nlm.nih.gov
- Chemotherapy Primer: Why? What? and How? | OncoLink - oncolink.org
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