The most important virulence factor of Vibrio cholerae is
A) the presence of two axial flagella.
B) the fact that it is oxidase positive.
C) its ability to survive in fresh water.
D) its ability to produce a potent exotoxin.
E) its ability to live in estuarine and marine environments all over the world.
D
You might also like to view...
Prions are created when normal proteins in the body ____
a. combine with large ribosomal subunit and become infectious b. exchange several long sections of amino acids with other infected proteins c. refold into a different and infectious three-dimensional shape that kills cells in the brain and nervous system d. undergo mutation and create hundreds of copies of themselves e. invade the immune system, causing it to mistakenly destroy the body's healthy tissue
When referring to membrane glycolipids and glycoproteins, the term "glyco-" indicates ____
a. carbohydrate groups are attached to the molecules b. the molecules are bound to the glycocalyx c. the molecules are found on both the interior and exterior of the membrane d. the molecules are attached to the membrane by ionic bonds e. the molecules are rarely found on the membrane exterior
What body system allows the survival of different species?
What will be an ideal response?
Which of the following covers and protects plant surfaces?
a. ground tissue b. vascular tissue c. dermal tissue d. meristem