Identify the following as properties of electrical synapses (ES), chemical synapses (CS), or both (B). a. _____ The plasma membranes of presynaptic and postsynaptic neurons are joined by gap junctions. b. _____ Transmission is unidirectional and delayed. c. _____ A presynaptic neuron and a postsynaptic neuron are involved. d. _____ The use of neurotransmitters packaged into synaptic vesicles is required. e. _____ Transmission is nearly instantaneous and bidirection

Q: Transmission of the nerve signal across a synapse is accomplishedby thea. movement of Na+ and K+.b.…

A: Introduction  Neuron/Nerve: A neuron is a single nerve cell which consists of central cell body,…

Q: Put the following in the correct order. A. Neurotransmitter release B. Ca2+ entry into the…

A: Nerve cells called neurons are responsible for sending instructions throughout your body to perform…

Q: A perturbation that alters the membrane potential at a site on a neuronal axon will pass to…

A: Ion transport through ion gated channels is an example of passive transport because energy is not…

Q: The initial rise in the membrane potential of an axon upon stimulation is called the...........…

A: MEMBRANE POTENTIAL: Membrane potential is difference between potentials of inner side and the…

Q: Describe the function of the following types of neurons a. Sensory neurons (also known as…

A: Neurons are the electrically excitable cells that make up the nervous system and the brain. They…

Q: An ____ neurotransmitter causes ____ of the postsynaptic membrane.a. inhibitory . . .…

A: Neurotransmitters are messengers that transfers the chemical message from one neuron to another…

Q: Which of the following insulates and protects a neuron’s axon, as well as helps speed along…

A: Introduction:- Nervous system consist of a network of specialized cells called neurons (nerve cells)…

Q: Another name for the axon of a neuron is:- a. nerve fiber. b. neurofibril. c. neurilemma. d.…

A: Answer- Neuron is the main cell of the nervous system that helps in conduction of nerve impulses or…

Q: Like many neurotransmitters, serotonin (5-HT) can have different postsynaptic effects on different…

A: 1 ) Answer is option A.  There are several types of postsynaptic receptors for serotonin.

Q: Which of the following is NOT an example of communication that happens from one neuron to another…

A: Answer: - Option a - Endocrine signalling (ex. hormones secreted into the bloodstream travel and…

Q: B. A. 1 8 笑 水 C. D. E. F.

A: Typical nerve consists of:cell body/soma/perikaryon: metabolic center of the nerve, consisting of…

Q: I. These forms the specialized junctions called synapse. A. Cell body B. Glial cells C. Synaptic…

A: Introduction :- The point of transmission of electric nerve impulses between two nerve cells…

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: Select ALL statements that are TRUE regarding a drug that would inactivate the enzyme…

A: A drug that inactivates the enzyme called acetylcholinesterase is known as Acetylcholinesterase…

Q: nsistent or persistent synaptic firing in the CNS

A: A synapse is defined as a tiny gap through which a nerve cell or neuron can send impulses to another…

Q: Action potential conduction velocity is more rapid in a myelinated axon than an unmyelinated one…

A: The myelinated and unmyelinated nerve fibers are the two types of nerve fibers.  Myelin is a fatty…

Q: If two action potentials from two different presynaptic nerve cells reach the target cell at the…

A: Summation means addition of any two or more things. Summation is of two types namely: Spatial…

Q: At an electrical synapse, presynaptic and postsynapticmembranes interface througha. neurofibril…

A: Gap junctions

Q: In a chemical synapse,a. action potentials in the presynaptic terminal cause…

A: An electrical synapse can be described as a type of synapse that contains channel proteins…

Q: When an action potential arrives in an axon terminal, synaptic vesicles containing acetylcholine are…

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Q: The gap between

A: The correct answer is b. Node of Ranvier

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Q: Using cable theory to describe axon conduction would tell us a. the larger the diameter of the axon…

A: In an ion cascades, action potentials move along neuronal axons. Transmembrane pathways near the…

Q: If a neurotransmitter binds to a receptor that opens potassium channels, the result is ... Group of…

A: Postsynaptic potentials refer to the alteration in the postsynaptic terminal’s membrane potential of…

Q: Oligodendrocyte , Astrocytes 1. .......................... enhances the velocity of electrical…

A: The brain is the part of the central nervous system along with the spinal cord. It is the hub of…

Q: Define the following terms: a. lecithin b. phosphatidylcholine c. cardiolipin d. GPI anchors e.…

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Q: Identify two disorders that can result in a depletion, damage, or lack of neurotransmitters in our…

A: Neurotransmitter is a signaling molecule in living organisms which is mianly secreted by a neuron to…

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: What are all the possible ways that a neurotransmitter is removed from the synaptic cleft? Select…

A: Neurotransmitters play a crucial role in transmitting signals across synapses in the nervous system.…

Q: Which one of the following statements about gap junctions or electrical synapses is incorrect? A.…

A: Electrical coupling is the transfer of coordinated action potentials from one cell to the next via…

Q: Which one is correct about the AP conduction velocity of nerve fiber A. Increase of the temperature…

A: Action potential spreads from the region of the sensory neurons that accept the stimuli till the…

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A: The genes in a dihybrid cross give a ratio of 9:3:3:1.

Q: At an electrical synapse, presynaptic and postsynaptic membranes interface through a. neurofibril…

A: The brain is the main part of the body that controls every action in our body. It is located in the…

Q: What statement about synapse activity is false? A.The input of sodium ions by AMPA receptors is…

A: The actual location where information is passed between neurons is at synapses. The connectors known…

Q: Neurotransmitters must pass from an axon terminal to the next dendrite by crossing a fluid-filled…

A: Neurons facilitate communication in the brain. A neuron is made up of dendrites (receives…

Q: Label: a.axon. b. myelin sheath c. cell body . d. dendrite

A: Neurons or nerve cells are the smallest structural and functional unit of the nervous system. They…