File:Signal Transaction of the Sweet Taste.svg

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Original file ‎(SVG file, nominally 512 × 450 pixels, file size: 98 KB)

Summary

The diagram above depicts the signal transduction pathway of the sweet taste.

Object A is a taste bud, object B is one taste cell of the taste bud, and object C is the neuron attached to the taste cell. I. Part I shows the reception of a molecule. 1. Sugar, the first messenger, binds to a protein receptor on the cell membrane. II. Part II shows the transduction of the relay molecules. 2. G Protein-coupled receptors, second messengers, are activated. 3. G Proteins activate adenylate cyclase, an enzyme, which increases the cAMP concentration. Depolarization occurs. 4. The energy, from step 3, is given to activate the K+, potassium, protein channels. III. Part III shows the response of the taste cell. 5. Ca+, calcium, protein channels is activated. 6. The increased Ca+ concentration activates neurotransmitter vesicles.

7. The neuron connected to the taste bud is stimulated by the neurotransmitters.

Licensing

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File history

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Date/TimeThumbnailDimensionsUserComment
current01:18, 7 January 2017Thumbnail for version as of 01:18, 7 January 2017512 × 450 (98 KB)127.0.0.1 (talk)The diagram above depicts the signal transduction pathway of the sweet taste. <p>Object A is a taste bud, object B is one taste cell of the taste bud, and object C is the neuron attached to the taste cell. I. Part I shows the reception of a molecule. 1. Sugar, the first messenger, binds to a protein receptor on the cell membrane. II. Part II shows the transduction of the relay molecules. 2. G Protein-coupled receptors, second messengers, are activated. 3. G Proteins activate adenylate cyclase, an enzyme, which increases the cAMP concentration. Depolarization occurs. 4. The energy, from step 3, is given to activate the K+, potassium, protein channels. III. Part III shows the response of the taste cell. 5. Ca+, calcium, protein channels is activated. 6. The increased Ca+ concentration activates neurotransmitter vesicles. </p> 7. The neuron connected to the taste bud is stimulated by the neurotransmitters.
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