In the family Enterobacteriaceae, flagellar antigen is also identified as
A. 'F' antigen
B. 'O' antigen
C. 'H' antigen
D. 'K' antigen
E. 'C' antigen
Ans: C. 'H' antigen
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Which protozoan group consists solely of parasitic forms?
A) apicomplexans B) ciliates C) flagellates D) amoebas
An ?NH2 group is a(n) ____ group
a. carboxyl b. hydroxyl c. amine d. methyl e. carbonyl
In the Golgi, what type of protein modification will signal the polypeptide destination by determining the receptor to which the peptide will bind?
What will be an ideal response?
Which biological events took place during the Paleozoic Era and the Mesozoic Era?
A. During the Paleozoic Era, three mass extinctions occurred which led to the colonization of land by plants, while during the Mesozoic Era, gymnosperms became the dominant plant life. B. During the Mesozoic Era, five mass extinctions occurred which led to the colonization of land by plants, while during the Paleozoic Era, angiosperms became the dominant plant life. C. During the Paleozoic Era, five mass extinctions occurred which led to the colonization of land by plants, while during the Mesozoic Era, angiosperms became the dominant plant life. D. During the Mesozoic Era, three mass extinctions occurred which led to the colonization of land by plants, while during the Paleozoic Era, gymnosperms became the dominant plant life.