Isotopes Differ from Each Other in What Way

question 33

Multiple Choice

Isotopes differ from each other in what way?

• A)They have different numbers of protons in the nucleus.
• B)They have different numbers of neutrons in the nucleus.
• C)They have different numbers of electrons outside the nucleus.
• D)More than one response is correct.

---

Definitions:

Neurotransmitters

Chemical messengers that transmit signals across synapses from one neuron to another in the nervous system, influencing various bodily functions.

Reuptake

The process by which neurotransmitters are absorbed back into a neuron after they have transmitted a neural impulse across the synapse.

Norepinephrine

A neurotransmitter and hormone involved in the body's fight or flight response, affecting attention, heart rate, and the mobilization of brain and body energy.

Serotonin

A neurotransmitter that contributes to feelings of well-being and happiness, also involved in regulating mood, sleep, appetite, and digestion.