A distinctive feature of spirochaetes is the presence of

A. fimbriae
B. endoflagella
C. helically arranged pili
D. nucleosomes
E. variable surface antigens


Ans: B. endoflagella

Biology & Microbiology

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A) They have one light-focusing lens. B) They are poor motion detectors. C) They can provide excellent color vision. D) They can perceive only visible light.

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The chemoreceptors located in the aorta that detect change in the blood pH are the _______ bodies.

Fill in the blank(s) with the appropriate word(s).

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The honeycomb made by bees is made up primarily of ____.

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