Which plant contains ricin and is listed among GI toxicants?

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Multiple Choice

Which plant contains ricin and is listed among GI toxicants?

Explanation:
Ricin is a potent toxin produced in the seeds of the castor bean plant. It disrupts protein synthesis by inactivating ribosomes, leading to cell death and severe gastrointestinal and systemic effects. This mechanism makes castor bean a classic GI toxicant in toxicology references. The other plants listed have different toxins—pokeweed contains other toxin compounds, daffodil has lycorine, and apple seeds contain cyanogenic compounds—not ricin. Therefore, the plant that contains ricin and is listed among GI toxicants is the Castor Bean (Ricinus).

Ricin is a potent toxin produced in the seeds of the castor bean plant. It disrupts protein synthesis by inactivating ribosomes, leading to cell death and severe gastrointestinal and systemic effects. This mechanism makes castor bean a classic GI toxicant in toxicology references. The other plants listed have different toxins—pokeweed contains other toxin compounds, daffodil has lycorine, and apple seeds contain cyanogenic compounds—not ricin. Therefore, the plant that contains ricin and is listed among GI toxicants is the Castor Bean (Ricinus).

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