Michaelis and Menten assumed that the overall reaction for an enzyme-catalyzed reaction could be written as Using this reaction, the rate of breakdown of the enzyme-substrate complex can be described by the expression:

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#Question id: 2508

#Unit 2. Cellular Organization

If you treated cells with a drug that interferes with microtubules, such as colchicine, which of the following would result?

A. Cell shape would be disrupted.

B. Mitosis and meiosis would not occur.

C. The intracellular location of organelles would be disrupted.

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#Question id: 2509

#Unit 2. Cellular Organization

Which of the molecular motor proteins is associated with microtubules?

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#Question id: 2510

#Unit 2. Cellular Organization

Which of the following cytoskeletal components is not found in all eukaryotic cells?

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#Question id: 2511

#Unit 2. Cellular Organization

Dynein is to retrograde movement as    ?     is to anterograde movement.

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#Question id: 2512

#Unit 2. Cellular Organization

Which of the following is not an example of a microtubule-organizing center (MTOC)?

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#Question id: 2513

#Unit 2. Cellular Organization

First you dissolve the membrane from an intact flagellum using the detergent Triton X-100. Next you soak the axoneme in a solution containing EDTA, which removes the Mg2+. What remains of the axoneme after these treatments?