Which phrase describes a bacterial flagellum?
a. It is the same in composition as archaeal flagellum.
b. It is made of rigid helical proteins,
c. It enables bacteria to adhere to a surface.
d. It enables bacteria to move along a surface.
Ans: b. It is made of rigid helical proteins,
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Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?
What will be an ideal response?
The efficient exchange of gases in gills is an example of countercurrent exchange. Indicate whether the statement is true or false
Which of the following is a lobe-finned fish?
A. stingray B. lamprey C. eel D. lungfish E. shark
The organelle that can collect, package, modify, and transport molecules is called the
A. vesicle. B. plasma membrane. C. Golgi apparatus. D. mitochondria.