This category covers the different types of synapses—chemical and electrical—and the role of neurotransmitters in transmitting signals between neurons.
Chemical synapses use neurotransmitters to transmit impulses between neurons.
Ref: NCERT Class 11 Biology Chapter 18: Neural Control and Coordination Synapse - Types and Neurotransmitters
Neurotransmitters bind to receptors on the postsynaptic membrane, not the presynaptic membrane.
Ref: NCERT Class 11 Biology Chapter 18: Neural Control and Coordination Synapse - Types and Neurotransmitters
Acetylcholine is a neurotransmitter that facilitates impulse transmission at chemical synapses.
Ref: NCERT Class 11 Biology Chapter 18: Neural Control and Coordination Synapse - Types and Neurotransmitters
Electrical synapses allow direct ion flow between neurons through gap junctions, enabling faster communication.
Ref: NCERT Class 11 Biology Chapter 18: Neural Control and Coordination Synapse - Types and Neurotransmitters
Calcium ions (Ca²⁺) enter the synaptic knob and trigger the release of neurotransmitters into the synaptic cleft.
Ref: NCERT Class 11 Biology Chapter 18: Neural Control and Coordination Synapse - Types and Neurotransmitters
At an electrical synapse, neurons are directly connected by gap junctions, allowing rapid impulse transmission.
Ref: NCERT Class 11 Biology Chapter 18: Neural Control and Coordination Synapse - Types and Neurotransmitters
Calcium ions (Ca²⁺) enter the synaptic knob and trigger the release of neurotransmitters into the synaptic cleft.
Ref: NCERT Class 11 Biology Chapter 18: Neural Control and Coordination Synapse - Types and Neurotransmitters
The axon carries nerve impulses away from the cell body toward the synapse or effector organ.
Ref: NCERT Class 11 Biology Chapter 18: Neural Control and Coordination Synapse - Types and Neurotransmitters
Calcium ions (Ca²⁺) enter the synaptic knob and trigger the release of neurotransmitters into the synaptic cleft.
Ref: NCERT Class 11 Biology Chapter 18: Neural Control and Coordination Synapse - Types and Neurotransmitters
Both chemical and electrical synapses exist in the human body, but most synapses are chemical.
Ref: NCERT Class 11 Biology Chapter 18: Neural Control and Coordination Synapse - Types and Neurotransmitters
Calcium ions (Ca²⁺) enter the presynaptic neuron and trigger neurotransmitter release into the synaptic cleft.
Ref: NCERT Class 11 Biology Chapter 18: Neural Control and Coordination Synapse - Types and Neurotransmitters
Acetylcholine is a key neurotransmitter that facilitates signal transmission at chemical synapses.
Ref: NCERT Class 11 Biology Chapter 18: Neural Control and Coordination Synapse - Types and Neurotransmitters
