Which group of chemicals inhibit the synthesis of nucleic acids and so growth of cancer cells?

Explanation

**Step-by-Step Solution:**

1. **Understanding the Question**: The question asks for a group of chemicals that inhibit the synthesis of nucleic acids, which is crucial for the growth of cancer cells.

2. **Identifying Nucleic Acids**: Nucleic acids include DNA and RNA. The synthesis of these molecules is vital for cell division and growth, including that of cancer cells.

3. **Role of Chemotherapy**: Chemotherapy is a common treatment for cancer that involves the use of chemicals to stop the growth of cancer cells. These chemicals can target various processes in the cancer cell lifecycle.

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