The use of vaginal inserts of Lactobacillus to restore a healthy acidic environment is an example of ________.
A. probiotics
B. riboswitches
C. phytobiotics
D. prebiotics
E. lantibiotics
Answer: A
You might also like to view...
Nitrification of ammonia occurs when ammonia is first converted to nitrite and then is converted to nitrate by the nitrogen-fixing bacteria.
Answer the following statement true (T) or false (F)
The technique of deletion analysis revealed the modular architecture of Gal4p. In deletion analysis, nucleases or restrictionenzymes are used to selectively:
A. delete pieces of DNA froma specified gene. B. remove truncated protein products of a gene. C. restore in vitro activity of proteins to mutant cells. D. activate genes in vivo using a reporter assay.
The systemic circulation begins with the ____ side of the heart
Fill in the blank(s) with the appropriate word(s).
The sharp, inch-long thorns of the crown-of-thorns sea star are its spines. These spines, unlike those of most other sea stars, contain a potent toxin
If it were discovered that crown-of-thorns sea stars do not make this toxin themselves, then the most likely alternative would be that this toxin is _____. A) derived from the nematocysts of its prey B) absorbed from the surrounding seawater C) an endotoxin of cellulose-digesting bacteria that inhabit the sea star's digestive glands D) injected into individual thorns by mutualistic corals which live on the aboral surfaces of these sea stars