Many ribosome-inactivating proteins are not toxic to humans because _____.
A) we have enzymes to detoxify them
B) they are very rare in nature
C) they are sequestered by white blood cells
D) they are rapidly metabolized
E) they do not cross cell membranes very well

Question

Many ribosome-inactivating proteins are not toxic to humans because _____.​
A) ​we have enzymes to detoxify them
B) ​they are very rare in nature
C) ​they are sequestered by white blood cells
D) ​they are rapidly metabolized
E) ​they do not cross cell membranes very well

Quizplus · Accepted Answer

Many ribosome-inactivating proteins are not toxic to humans because they do not cross cell membranes very well, limiting their ability to reach and affect the ribosomes inside human cells.

Many Ribosome-Inactivating Proteins Are Not Toxic to Humans Because _____