ASSERTION: A neuron transmits message in both directions.
REASON: The information acquired at the end of the dendritic tip of a neuron causes a chemical reaction that produces an electrical impulse.
a) If both assertion and reason are true and
reason is thecorrect explanation of assertion.
b) If both assertion and reason are true but reason is not
the correctexplanation of assertion.
c) If assertion is true, but reason is false.
d) If assertion is false, but reason is true.
e) Both assertion and reason are false.
Answers
if assertion us true but reason is false
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Answer:
A neuron transmits messages in both directions because the response is slow and produced by all cells of the target tissues so the correct answer is option c) the assertion is true, but the reason is false.
Explanation:
Neurons communicate through both electrical signals and chemical signals. Electrical signals are action potentials that transmit information from one neuron to another; Chemical signals are neurotransmitters that transmit information from one neuron to another. An action potential is a rapid, transient change in membrane potential (electrical charge) that causes sodium to rush into a neuron and potassium to eject. Neurotransmitters are chemical messengers released from a neuron as a result of an action potential; They initiate an action potential in that neuron, causing a rapid, transient change in the membrane potential of the neighboring neuron.