To function properly, a neuron must maintain a
a. membrane potential
b. neurotransmitter
c. negative charge on the inside
d. positive charge on the inside
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To determine the correct answer, let's break down the question and the provided options.
The question states that for a neuron to function properly, it must maintain something. The options are:
a. membrane potential
b. neurotransmitter
c. negative charge on the inside
d. positive charge on the inside
To get the answer, we need to think about the basic properties and functions of neurons.
Firstly, neurons are specialized cells in the nervous system that transmit information through electrical signals. These electrical signals travel along the neuron's extensions called axons.
Now, let's consider each option:
a. Membrane potential:
The term "membrane potential" refers to the difference in charge across the neuron's cell membrane. Neurons have a resting membrane potential, which means they have a difference in charge across their cell membrane when not actively transmitting information. This difference in charge is essential for generating and transmitting electrical signals.
b. Neurotransmitter:
Neurotransmitters are chemicals that neurons use to communicate with each other and with other cells. When an electrical signal reaches the end of a neuron, it triggers the release of neurotransmitters into the synapse (the tiny gap between the neurons). These neurotransmitters then bind to receptors on the receiving neuron and transmit the signal.
c. Negative charge on the inside:
This option refers to maintaining a negative charge inside the neuron. In resting conditions, neurons do indeed maintain a negative charge inside compared to the outside. This is achieved mainly through the selective movement of ions (charged particles) across the neuron's cell membrane.
d. Positive charge on the inside:
This option suggests that a positive charge is required inside the neuron for proper functioning. However, this is not the case. Neurons, in their resting state, tend to maintain a negative charge on the inside, not a positive charge.
Now, considering the information provided, the correct answer should be c. negative charge on the inside.
Therefore, the answer to the question "To function properly, a neuron must maintain a" is c. negative charge on the inside.
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