Question
Electrical and chemical synapses:
| Electrical synapse | Chemical synapse |
| 1. The gap between the successive neurons in electrical synapse is very less [3.8 nm], | 1. The gap between two successive neurons in chemical synapse is larger than electrical synapse [10-20 nm]. |
| 2. Transmission across the gap is faster in electrical synapse. | 2. Transmission across the gap in chemical synapse is relatively slower than electrical synapse. |
| 3. Electrical synapse is less common. | 3. Chemical synapse is more common. |
| 4. Electrical synapse is found in those places of the body requiring instant response. | 4. Chemical synapse is found almost everywhere and connects neuron to neuron, muscles or glands. |
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Species A
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Species B
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Name of interaction
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Describe the development of female gametophyte in angiosperms. ### What is megasporogenesis ? Give an account of development of the female gametophyte. ### With a neat diagram explain the 7-celled, 8-nucleate nature of the female gametophyte.