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Questions and Answers
Where are the specialized tips of nerve cells usually located?
Where are the specialized tips of nerve cells usually located?
- In muscles and bones
- In sense organs such as the inner ear, nose, and tongue (correct)
- In the skin
- In the digestive system
What do gustatory receptors detect?
What do gustatory receptors detect?
- Temperature
- Sound
- Smell
- Taste (correct)
What creates an electrical impulse in response to information detected by nerve cells?
What creates an electrical impulse in response to information detected by nerve cells?
- An electromagnetic force
- A physical collision
- A mechanical vibration
- A chemical reaction (correct)
Where does the electrical impulse travel from the dendrite?
Where does the electrical impulse travel from the dendrite?
What do chemicals released at the end of the axon do?
What do chemicals released at the end of the axon do?
What sets off a chemical reaction that creates an electrical impulse in nerve cells?
What sets off a chemical reaction that creates an electrical impulse in nerve cells?
Where are gustatory receptors usually located?
Where are gustatory receptors usually located?
What is the function of olfactory receptors?
What is the function of olfactory receptors?
What starts a similar electrical impulse in a dendrite of the next neuron?
What starts a similar electrical impulse in a dendrite of the next neuron?
Where does the electrical impulse travel from the dendrite?
Where does the electrical impulse travel from the dendrite?
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Study Notes
Nerve Cells
- Specialized tips of nerve cells are usually located at the dendrites.
- Gustatory receptors detect taste molecules in food and drinks.
Electrical Impulse Generation
- The binding of molecules to receptors creates an electrical impulse in response to information detected by nerve cells.
Neural Signaling
- The electrical impulse travels from the dendrite to the axon.
- Chemicals released at the end of the axon trigger a response in adjacent neurons.
Gustatory Receptors
- Gustatory receptors are usually located on the surface of taste buds on the tongue and palate.
- The function of olfactory receptors is to detect odor molecules in the air.
Neural Transmission
- The binding of neurotransmitters to receptors sets off a chemical reaction that creates an electrical impulse in nerve cells.
- The electrical impulse triggers the release of neurotransmitters from the axon terminal.
- Neurotransmitters start a similar electrical impulse in a dendrite of the next neuron.
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