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Dopamine is more fat-soluble than L-Dopa.
Weakened Viruses
Viruses that have been attenuated (reduced in virulence) for use in vaccines, allowing the immune system to develop immunity without causing the disease.
Immune Response
The body's defensive reaction to foreign substances or organisms, involving recognition and destruction.
Tumor-suppressor Genes
Genes that protect a cell from one step on the path to cancer; when these genes are mutated or inactivated, the risk of cancer development increases.
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