Neurotransmitters are signaling molecules that facilitate communication between neurons. To answer the question regarding which of the options are neurotransmitters, we can identify them based on their known functions in the nervous system.

1. **Acetylcholine**: This is a well-known neurotransmitter that plays a key role in muscle activation and memory.

2. **Serotonin**: This neurotransmitter is involved in regulating mood, sleep, and appetite.

3. **Epinephrine (adrenaline)**: While commonly associated with the fight-or-flight response, epinephrine also functions as a neurotransmitter in certain contexts.

### Final Answer
The correct options are:
- a. acetylcholine
- b. serotonin
- c. epinephrine (adrenaline)

Thus, all provided options are neurotransmitters.

Question

Neurotransmitters are signaling molecules that facilitate communication between neurons. To answer the question regarding which of the options are neurotransmitters, we can identify them based on their known functions in the nervous system.

1. **Acetylcholine**: This is a well-known neurotransmitter that plays a key role in muscle activation and memory.
   
2. **Serotonin**: This neurotransmitter is involved in regulating mood, sleep, and appetite.

3. **Epinephrine (adrenaline)**: While commonly associated with the fight-or-flight response, epinephrine also functions as a neurotransmitter in certain contexts.

### Final Answer
The correct options are:
- a. acetylcholine
- b. serotonin
- c. epinephrine (adrenaline)

Thus, all provided options are neurotransmitters.

Knowee AI · Accepted Answer

Neurotransmitters are signaling molecules that facilitate communication between neurons. To answer the question regarding which of the options are neurotransmitters, we can identify them based on their known functions in the nervous system.

1. **Acetylcholine**: This is a well-known neurotransmitter that plays a key role in muscle activation and memory.
   
2. **Serotonin**: This neurotransmitter is involved in regulating mood, sleep, and appetite.

3. **Epinephrine (adrenaline)**: While commonly associated with the fight-or-flight response, epinephrine also functions as a neurotransmitter in certain contexts.

### Final Answer
The correct options are:
- a. acetylcholine
- b. serotonin
- c. epinephrine (adrenaline)

Thus, all provided options are neurotransmitters.

Neurotransmitters include:(Select all that apply)Question 2Select one or more:a.•acetylcholineb.•serotoninc.•epinephrine (adrenalin)•

Question

Neurotransmitters include:

Solution

Final Answer

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