Many ribosome-inactivating proteins are not a problem for 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

Quizplus · Accepted Answer

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

Many Ribosome-Inactivating Proteins Are Not a Problem for Humans Because