The plant alkaloid ricin is nontoxic inside castor beans,but becomes active when digested by an animal.The toxic form of ricin kills by

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Quizplus · Accepted Answer

Ricin is a ribosome-inactivating protein that inhibits protein synthesis by removing an adenine residue from the 28S rRNA, thus preventing the binding of elongation factors and halting translation. This ultimately leads to cell death, and in the case of an animal that ingests ricin, can result in organ failure and death.

The Plant Alkaloid Ricin Is Nontoxic Inside Castor Beans,but Becomes