Which of the following is NOT an important characteristic of either Neisseria gonorrhoeae or Neisseria meningitidis?
A. M protein
B. Pili
C. Polysaccharide capsule
D. IgA protease
Answer: A. M protein
You might also like to view...
An oncogene may promote cancer by keeping the cell growth pathway in the off position
Indicate whether the statement is true or false
A leaf primordium is initiated as a small mound of tissue on the flank of a dome-shaped shoot apical meristem. The earliest physical evidence of the site of a newly forming leaf primordium would be
a. development of chloroplasts in a surface cell of the shoot apical meristem. b. cell division in the shoot apical meristem with the newly forming walls perpendicular to the surface of the meristem. c. preprophase bands parallel to the surface of the meristem in subsurface cells of the shoot apical meristem. d. elongation of epidermal cells perpendicular to the surface of the shoot apical meristem. e. formation of stomata in the epidermal layer of the shoot apical meristem.
What percentage of the total blood volume is made up of plasma?
a. about 75% b. about 50% c. about 25% d. about 10%
Photorespiration is detrimental for a plant because
A) RuBP is degraded. B) O2 is required. C) no glucose is produced. D) glucose is synthesized. E) CO2 is synthesized.