Agents with antineoplastic activity that have been isolated from a number of plants work in what way?
1. They aid in attachment to the receptor sites on the cancer cell.
2. They arrest cell division, or mitosis.
3. They contain substances that have the ability to kill the cancer cells.
4. They prevent conversion from DNA to RNA.
Correct Answer: 2
Rationale 1: They do not work on the receptor sites.
Rationale 2: They stop cell division, or mitosis.
Rationale 3: They don't contain substances that have the ability to kill the cancer cells.
Rationale 4: They don't prevent conversion from DNA to RNA.
Global Rationale: These substances arrest cell division. They do not work on receptor sites, do not kill cancer cells, and do not prevent conversion from DNA to RNA.
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