Use the figure to answer the following question. In the late 1950s, Meselson and Stahl grew bacteria in a medium containing "heavy" (radioactive) nitrogen (15N) and then transferred them to a medium containing 14N (nonradioactive). Which of the results in the figure would be expected after one round of DNA replication in the presence of 14N?

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#Question id: 2482

#Unit 2. Cellular Organization

Microtubule assembly requires:

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#Question id: 2483

#Unit 2. Cellular Organization

MAP2 and Tau are examples of microtubule:

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#Question id: 2484

#Unit 2. Cellular Organization

The EB1 protein has several functions.  Which of the following is/are true regarding EB1?

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#Question id: 2485

#Unit 2. Cellular Organization

Which of the following is NOT a way in which a microtubule switches from growing to shortening?

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#Question id: 2486

#Unit 2. Cellular Organization

The region of a motor protein that interacts with the motor’s cellular cargo is the:

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#Question id: 2487

#Unit 2. Cellular Organization

All of the following statements describe kinesin-I EXCEPT: