Answer:
Action potential in a motor neuron triggers the release of acetylcholine (ACh) neurotransmitter.
Explanation:
Acetylcholine: It is a neurotransmitter released by motor neurons which bind to the receptors end plates of the motor. When an action potential travel down the motor neuron's axon, neurotransmitter release occurs resulting in an influx of calcium and altered permeability of the synaptic terminal membrane.
The Ca2+ ions allow synaptic vesicles to move and bind with the presynaptic membrane which is present on the neuron and released neurotransmitter from the vesicles into the synaptic cleft. Once it's released ACh diffusion occurs across the synaptic cleft to the motor end plate, and binds with ACh receptor. As the neurotransmitter ACh binds, these ions channel open and sodium ions cross the membrane into the muscle cells.
In this phase reduction of voltage inside and outside the cell occurs, which is known as depolarization. When ACh binds to the motor end plate this depolarization is known as end plate potential. Then depolarization spread with the sarcolemma and creating an action potential. This action potential moves the entire cell and creating a wave of depolarization.
Maybe this helps ? Please look at the picture
Answer:
The correct option is D) UAG, UAA, UGA
Explanation:
The amino acid sequencing code or mRNA code contains specific codes which start and stop the process of translation at the right time. If the stop codon were not present then the ribosomal machinery would have made faulty proteins. If the stop codons are not at the right place, then it results in the production of faulty proteins. The stop codons which terminate the process of translation are UAG, UAA and UGA.
Option A. Bipolar disorder differs from schizophrenia in that schizophrenia typically involves hallucinations.
What is bipolar disorder?
- Bipolar disorder, previously known as manic depression, is a mood disorder characterized by periods of depression and periods of abnormally-elevated happiness that last from days to weeks each.
- If the elevated mood is severe or associated with psychosis, it is called mania; if it is less severe, it is called hypomania.
What is schizophrenia?
- A disorder that affects a person's ability to think, feel, and behave clearly.
- The exact cause of schizophrenia isn't known, but a combination of genetics, environment, and altered brain chemistry and structure may play a role.
What is hallucination?
- A perception of having seen, heard, touched, tasted, or smelled something that wasn't actually there.
- Hallucination can have causes that aren't due to underlying disease. Examples include drug intoxication.
To know more about hallucination, refer:
https://brainly.ph/question/10808859
#SPJ4
