Normal Flora and the Human Host
Within how many days after birth a stable flora develops?
Who among the following was successful in raising 17 germ-free chickens for 40 days?
Which of the following vitamins are not required by normal animals?
Pseudomembranous colitis is caused by the strains of which of the following microorganism?
Animals that are contaminated with germs are said to be gnotobiotic.
There are 5 questions to complete.