Ricin is toxic because it
A) binds to eukaryotic DNA.
B) binds to eukaryotic mRNA.
C) blocks food from entering the cell.
D) inactivates ribosomes.
E) binds to nerve tissue and causes paralysis.

Question

Ricin is toxic because it
A) ​binds to eukaryotic DNA.
B) ​binds to eukaryotic mRNA.
C) ​blocks food from entering the cell.
D) ​inactivates ribosomes.
E) ​binds to nerve tissue and causes paralysis.

Quizplus · Accepted Answer

Ricin binds to the ribosomes, which are responsible for protein synthesis in cells. By binding to ribosomes and inactivating them, ricin prevents protein synthesis and leads to cell death.

Ricin Is Toxic Because It