Energy is required to do work. What type of work is being done by the Na+/K+ ATPase that allows it to maintain a steady state in the neuron? 1. both chemical and transport work 2. Mechanical work 3.chemcial work 4.transport work

Q: potential across a synapse is regulated). produce an effect by targeting a different part of the…

A: Nerve conduction across the synapse: • The first Neuron is called as pre-synaptic membrane while the…

Q: In axons, a negative inside membrane potential may be achieved by a difference in concentration of 2…

A: In axons, a negative inside membrane potential may be achieved by a difference in concentration of 2…

Q: Which.of the following statements is WRONG? Select one: O a. Nerve cells have excitable membranes O…

A: Introduction: Neurons, also referred to as nerve cells, are the basic fundamental units of the…

Q: a and K flow across the plasma membrane; what would membrane potential if norepinephrine closed…

A: Ligand gated Ion channels work when the ligand binds to a particular Ion channel. These are integral…

Q: 18. Myelln sheath is produced by (a) astrocytes and Schwann cells (b) oligodendrocytes and…

A: Myelin sheath is a membrane structure surrounding the axon.

Q: From the time an action potential reaches the axon terminal of a motor neuron until cross bridge…

A: Muscle contraction happens when the sarcomeres are shortened, when the thick and thin fibers slip…

Q: 16. Ouabain is a naturally occuring substance that inhibits the Na-K-ATPase with high affinity. When…

A: Ouabain is a cardiac glycoside which is involved with inhibiting the Na+/ K+ ATPase pump. It is not…

Q: 3. Specifically, a molecule of the neurotransmitter receptor. But, the magnesium (Mg+) ion is…

A: Specifically, a molecule of the neurotransmitter Glutamate binds to an NMDA receptor. But, the…

Q: OFF bipolar cells express glutamate receptors at their synapses with photoreceptors and are in the…

A: Bipolar cells are the neurons that basically connect the outer portion of retina to the inner…

Q: The most non-polar part of a typical phosphatidylcholine molecule would have to be: A. the fatty…

A: Phosphatidylcholine is a type of phospholipid that is a major component of cell membranes. It…

Q: Cholinesterase is an enzyme that breaks down acetylcholine in the synapse. What would be the result…

A: The interaction between acetylcholine and cholinesterase plays a significant role in the functioning…

Q: Which part of the phosphatidylcholine molecule would be the most negatively-charged? the fatty acid…

A: Phosphatidylcholine – it is a phospholipid, a major constituent of the cell membranes. Phospholipids…

Q: Leak ion channelsa. open in response to small voltage changes.b. open when a chemical signal binds…

A: Ion channels are integral membrane proteins, typically formed as assemblies of several individual…

Q: What is the difference in a neuron when it is in a background or excited state? Fire the neuron.…

A: A neuron is a cell in the nervous system that carries electrical signals to and from tissues. It…

Q: 1. Describe the role of differential electrical charge across the cell membrane in both non-…

A: Definition: -  Membrane potential or Transmembrane Potential is a the difference of electric…

Q: What makes an impulse move down the line…i.e. what causes the next zone to depolarize? A. the Na+/K+…

A: A neuron has the capability of receiving inputs from another neuron. If this input is strong, then…

Q: In the autonomic nervous system, the lower motor neurons directly innervate effector organs.…

A: The correct statement is:The lower motor neurons directly innervate effector organs.

Q: The motor end plate is extensively folded to allow for greater number of what structure? Terminal…

A: Motor end plates are called Neuromuscular junctions, are specialized chemical synapses formed at the…

Q: True or False a. When they are at rest, neurons are more positively charged inside than outside the…

A:

Q: critically depends on maintaining electrochemical gradients across neuronal membranes. What would be…

A: INTRODUCTION Neurons Neurons (nerve cells) are specialised cells that are the base of nerve system…

Q: D movement of an action potential along the length of an axon change in voltage of a cell membrane…

A: Neurons have the capability of generating and transmitting nerve impulses that helps in regulating…

Q: When thinking about an action potential which one of the following statements is TRUE? O a. If a…

A: The neurons are the nerve impulse generating and transmitting cells in the nervous system that are…

Q: There is a toxin extracted from pufferfish called tetrodotoxin (TTX), which completely inhibits…

A: Tetrodotoxin (TTX) is a potent neurotoxin that is responsible for many bouts and deaths each year.…

Q: Which parameter Which parameter Which parameter is depicted on the x-axis? is depicted on the y-axis…

A: Neurons or nerve cells are the basic functional units of the nervous system. Their main function is…

Q: Voltage gated channels: O require a ligand such as acetylcholine require ATP hydrolysis for a…

A: Plasmamembrane is selectively permeable and it contains various voltage gated, ligand gated,…

Q: Parkinson’s disease is a devastating, progressive disorder ofthe central nervous system. Damage to…

A: The response that our body gives to any external stimuli is due to the transfer of impulse from the…

Q: 5. Which one of the following responses is most likely to occur when the body temperature of a…

A: Whenever the body's temperature falls below 95° F (35° C), hypothermia sets in. The average body…

Q: prevent (3pts) Chelators are compounds that bind tightly to specific ions an eliciting a biochemical…

A: Chelators are molecules that bind to metal ions and help to facilitate the transport of them across…

Q: erforms a function that scientists do not yet understand O b. Prevents energy loss from the brain's…

A: Neurons are the smallest punctual unit of the nervous system. When the neurons are covered by myelin…

Q: A DA C D E B Determines whether to generate an action potential or not

A: The action potential is the electrical potential across the membrane of neurons during the…

Q: Give me an example of a voltage gated ion in action in the body.

A: A voltage-gated channel is the ion channels that are embedded in the membrane, used to transport the…

Q: Now assume that you have a typical neuron that has very few Na+ channels open relative to the number…

A: Introduction :- The difference between the concentration of ions on two opposite sides of membrane…

Q: This is going to be a different type of activity! I would like you to make a diagram of the action…

A: The brain is made of specialized types of cells called neurons. There are billions of neurons in the…

Q: 1. Most tissues of the body are dually innervated, meaning they receive input from both the SNS and…

A: Dual innervation refers to the presence of both sympathetic and parasympathetic nervous system input…

Q: Difference in K* concentration across the PM pressure potential Both Difference in K+ concentration…

A: Resting membrane potential is the normal potential of the membrane it is negative inside and…

Q: Which of the following statements is FALSE? (Choose the best answer) O Neurons in the nervous system…

A: Synapses are the contact region between the axon terminal of the first neuron and dendrites of the…

Q: Sección Release of inhibitory neurotransmitter Decreased concentration of leaky sodium channels in…

A: Resting membrane potential is the characteristic of each and every cell but neurons are special in a…

Q: In what way may drugs be used to affect neurotransmitters? Select an answer and submit For keyboard…

A: NEUROTRANSMITTERS:- These are also chemical messengers that mediate the signals from one cell to the…

Q: Please ASAP. Thanku. The resting membrane potential of the neuron is around -70mV and the GABA-A…

A: The reversal potential an also be referred to as Nernst potential; the membrane potential at which…

Q: What would happen to action potentials in the brain if a drug blocking ATP were immediately…

A: The Na+-K+ pump moves two potassium ions inside the cell in exchange for three sodium ions by using…