1) Where does protein synthesis occur in a neuron? a) Cell body b) Axon c) Axon
ID: 3473675 • Letter: 1
Question
1) Where does protein synthesis occur in a neuron?
a) Cell body
b) Axon
c) Axon Terminal
2) Groth factors are taken up by which portion of the neuron and carried by which motor protein?
a) Cell body, kinesin
b) Cell body, Dynein
c) Anon Terminal, Kinesin
d) Axon terminal, Dynein
3. What is NOT associated, or NOT a true statement about axonal transport?
a) Microtubules
b) Kinesin and Dynein
c)Bidirectional Transport (anterograde and retrograde)
d) Passive (does not require energy)
4. Microtubules are oriented so that their (-) end is coser to the cell body than the axon terminal?
a) True
b) False
5. What is the name of the motor protein associated with actin filaments?
a) Kinesin
b) Dynein
c) Myosin
Explanation / Answer
1. The cell body fills with nucleus, ribosomes, and endoplasmic reticulum like organelles, which help in protein synthesis. Therefore, the option (a) is correct.
2. The option (c) is correct. Neurons accept growth factors in the axon terminal region through synaptic vesicles. The kinesin here involves in the movement in between the axon and the cell body.
3. The option (d) is the right choice. Axonal transport uses motor proteins, which always need energy in the form of ATP.
4. Yes, the statement is true. The minus ends of microtubules are present towards cell body.
5. The option (c) is correct. Myosin with actin form actin-myosin Bridge that helps in the movement.
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