which is not true of neurotransmitters?

Q: If you increase the amount of neurotransmitter in the synaptic cleft, how would you expect the…

A: Neurotransmitter These are defined as the chemical messengers that carry chemical signals from one…

Q: In a nerve cell membrane, the ion channels that allow the diffusion of Na+: a) are always open. b)…

A: SODIUM CHANNELS These are the integral membrane proteins that form ion channels, conducting sodium…

Q: 1) When threshold (-55 mV) is reached: a) voltage-gated K+ channels immediately open. b) Na+…

A: Step 1 The membrane potential is the transmembrane electric potential difference measured from…

Q: Which of the following is depicted in the diagram? A) Somatic nervous system B) spinal reflex arc C)…

A: The part of nervous system that control s bodily functions which are not controlled voluntarily such…

Q: 14) Review the process by which an action potential is conducted across a synapse. Suppose that in…

A: A neuromuscular junction is a biochemical synapse between muscle fiber and a motor neuron. It…

Q: serotonin,y-aminobutyric acid, and dopamine are derived from different amino acids by just one or a…

A: Neurotransmitters are chemical messengers that allow neurons (nerve cells) in the brain and other…

Q: The substantia nigra of the midbrain is rich in the neurotransmitter: A) acetylcholine B) serotonin…

A: Neurotransmitters are the chemicals secreted from the ending of neurons. These are packed inside…

Q: Which statement regarding neurotransmission through myelinated and unmyelinated neurons is true?…

A: Myelin sheath is modified plasma membrane that wraps around nerve axon and acts as insulator. The…

Q: 12) when K+ voltage-gated channels open, which of the following occurs? a) depolarization  b) both…

A: In that they repolarize activated neurons to their resting state, voltage-gated potassium channels…

Q: Voltage-gated ion channels on the cell body: a) allow Ca2+ to enter, leading to neurotransmitter…

A: Voltage gated transport – Voltage-gated channels help in the movement of molecules in and out of the…

Q: 1) What is responsible for returning the cell to its normal resting membrane potential following the…

A: Neurons are the basic unit of the nervous system that carry electrical stimuli throughout the body.…

Q: What happens in the life of a classical neurotransmitter directly after amino acid precursor…

A: Neurotransmitter is a chemical device that helps in the communication between the presynaptic and…

Q: taw a graph representing the changes in membrane potential across the axonal membrane before,…

A:

Q: “Although originally designed as a γ-aminobutyric acid (GABA) analogue, gabapentin does not interact…

A: The quote provided discusses the pharmacological action of gabapentin, a drug originally designed as…

Q: Based on the transduction pathway presented above, what type of receptor is the beta-3 adrenergic…

A: G protein-coupled receptors (GPCRs), also called seven-(pass)-transmembrane domain receptors,…

Q: What will happen in an axon undergoing an action potential but which is unable to utilize…

A: The action potential of a neuron causes the depolarization of its membrane. The resting potential of…

Q: D) The concentration of this ion and negatively charged proteins is much greater inside the cell…

A: The Neuron's membrane consists of sodium to be present in large quantity in the extracellular part…

Q: When someone feels a chafing sensation in their legs. In order to perceive this chafing sensation,…

A: Hello. Since you have posted multiple questions and not specified which question needs to be solved,…

Q: Draw a presynaptic and postsynaptic neuron at to demonstrate the release and acceptance of a…

A: SNARE protein play important role in release of neurotransmitter from synaptic vesicles  as they…

Q: What is the role of calcium in neuronal communication at the axon terminal?  What would be prevented…

A: The transmission of nerve impulse from one neuron to the next neuron occurs at the axon terminal…

Q: When an impulse arrives at the synapse, the synaptic vesicles open and release neurotransmitters…

A: The neurons are specialized cells of the human nervous system. The neurons of the nervous system…

Q: 13) Draw a graph representing the changes in membrane potential across the axonal membrane before,…

A: The electric signals that flow down the dendrites to form a nerve impulse or an action potential are…

Q: Why does an action potential move in an all-or-nothing fashion down the length of an axon without…

A: Henry Pickering Bowditch first discussed the all or none law in 1871 in heart muscle. It means that…

Q: What is a post-synaptic potential and how is it caused? Describe the two types of post-synaptic…

A: Neurons or nerve cells helps in relaying of messages  using the neurotransmitters. Two neurons join…

Q: John Hughes and Hans Kosterlitz identified the endorphin receptor in frogs, and concluded that…

A: Chemicals known as "neurochemicals" have a role in how the brain as well as the nervous system's…

Q: In a neuron at rest, there is a difference in the electrical charge across the cell membrane, with…

A: In a cell, the plasma membrane separates the internal environment (cytoplasm) from the external…