A strain of Neisseria gonorrhea has a mutation which has caused it to lose the ability to produce fimbriae and become less virulent as a consequence. What function has this pathogen lost?
A) the ability to adhere to cells of the body
B) the ability to move from one location in the body to another
C) the ability to produce an endotoxin
D) the ability to establish a latent infection
E) the ability to prevent phagocytes killing it
A
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A substance produced by brown algae that is used as an emulsifying and thickening agent in many foods and other products is
A. red ooze. B. carrageenan. C. gelatin. D. agar. E. algin.
Deforestation is greatest in
a. Brazil. b. Indonesia. c. Colombia. d. Mexico. e. all of these
The structure that connects the embryo to the placenta is called the __________
Fill in the blank(s) with correct word
Which of the following protects bacteria from lysis in dilute solutions and helps to determine their cellular morphology or shape?
A. Plasma membrane B. Capsule C. Peptidoglycan D. Gas vacuoles