Question:
Synaptic vesicles in neurons contain:
Synaptic vesicles in neurons contain:
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Think of "Synaptic" as the "Signal" junction and "Vesicles" as "Vehicles" carrying Neurotransmitters.
Updated On: May 5, 2026
- Hormones
- Neurotransmitters
- Enzymes
- DNA
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The Correct Option is B
Solution and Explanation
Step 1: Concept
Neurons communicate across synapses using chemical signals stored in specialized membrane-bound structures.
Step 2: Meaning
Synaptic vesicles are small, electron-lucent spheres found in the presynaptic terminals of neurons.
Step 3: Analysis
Hormones are typically released into the bloodstream by endocrine glands. Enzymes catalyze reactions but are not the primary signaling molecules stored for release in synapses. DNA is stored in the nucleus. Neurotransmitters are the specific chemicals stored in these vesicles to be released into the synaptic cleft.
Step 4: Conclusion
Therefore, synaptic vesicles are the storage sites for neurotransmitters, ensuring their rapid release upon stimulation. Final Answer: (B)
Neurons communicate across synapses using chemical signals stored in specialized membrane-bound structures.
Step 2: Meaning
Synaptic vesicles are small, electron-lucent spheres found in the presynaptic terminals of neurons.
Step 3: Analysis
Hormones are typically released into the bloodstream by endocrine glands. Enzymes catalyze reactions but are not the primary signaling molecules stored for release in synapses. DNA is stored in the nucleus. Neurotransmitters are the specific chemicals stored in these vesicles to be released into the synaptic cleft.
Step 4: Conclusion
Therefore, synaptic vesicles are the storage sites for neurotransmitters, ensuring their rapid release upon stimulation. Final Answer: (B)
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