Round 10: Tossup 10

One part of these structures in Gram-negative bacteria is composed of the (-5[1])L, P, MS, and C rings. (-5[1])Fli proteins allow these structures to change directions, and Mot proteins move these structures with a proton gradient. A type of these structures can cause cells to “tumble.” That (15[1])“peritrichous” type of these structures (15[1])are attached in all directions. By definition, (-5[1])(*) Opthisokonts possess these structures. These structures (10[1])are composed of a “hook,” “motor,” and “filament.” (10[1])They’re not cilia, but these structures possess a 9+2 arrangement. For 10 points, name these tail-like structures that provide (10[1])motility to some types of bacteria. ■END■ (10[1])

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