Microtubules are important for transporting cargo in nerve cell axons, as diagra
ID: 64927 • Letter: M
Question
Microtubules are important for transporting cargo in nerve cell axons, as diagrammed in Figure Q5. Notice that the two types of cargo are traveling in opposite directions. Which of the following statements is likely to be false?
A. The gray cargo is attached to dynein.
B. The black cargo and the gray cargo require ATP hydrolysis for their motion.
C. The black cargo moving toward the axon terminal contains a domain that specifically interacts with the tail domain of a particular kind of motor.
D. The black cargo and the gray cargo are moving along microtubules of opposite polarity.
___________________________________________________________________________________________
Actin can adopt a variety of shapes. Match the name of the actin form with the type of actin structure depicted as black lines within the cells in Q6.
A. _____ lamellipodia
B. _____ contractile bundles
C. _____ contractile ring
D. _____ microvilli
Explanation / Answer
Microtubules are important for transporting cargo in nerve cell axons, as diagrammed in Figure Q5. Notice that the two types of cargo are traveling in opposite directions. Which of the following statements is likely to be false?
The statement here FALSE is .......................D. The black cargo and the gray cargo are moving along microtubules of opposite polarity
A. The gray cargo is attached to dynein...............TRUE
B. The black cargo and the gray cargo require ATP hydrolysis for their motion...............TRUE
C. The black cargo moving toward the axon terminal contains a domain that specifically interacts with the tail domain of a particular kind of motor..............TRUE
D. The black cargo and the gray cargo are moving along microtubules of opposite polarity...........FALSE