Multiple choice

An enterotoxin is a harmful substance produced by microorganisms, which is specifically dangerous to the intestines. The first viral enterotoxin discovered is _____________________.

  1. NS1

  2. PKR

  3. NSP5

  4. NSP4

  5. NSP1

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The rotavirus non-structural protein NSP4 was the first viral enterotoxin discovered. It induces diarrhea and causes Ca2+dependent transepithelial secretion.