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What would happen to the neuron if the Na- K ATPase activity was completely inhibited? O...
choices for A: Na+/K+ pumps, voltage gated K+ channels, voltage gated Ca+ channels, voltage gated Na+...
choices for A: Na+/K+ pumps, voltage gated K+ channels,
voltage gated Ca+ channels, voltage gated Na+ channels
choices for B: bidirectionally, unidirectionally
choices for C: Na+/K+ pumps, voltage gated K+ channels,
voltage gated Ca+ channels, voltage gated Na+ channels
choices for D: Na+/K+ pumps, voltage gated K+ channels,
voltage gated Ca+ channels, voltage gated Na+ channels
Consider this graph illustrating the generation of an action potential across the plasma membrane of a stimulated neuron. +40 ACTION POTENTIAL plasma membrane potential...
What would most likely happen if the Na+K+ Pump (ATPase) stopped functioning in the cell? A....
What would most likely happen if the Na+K+ Pump (ATPase) stopped functioning in the cell? A. The cell would swell by taking up water. B. The cell would shrink by pumping out water. C. The inside of the cell would be more negative. D. Nothing would happen to the cell.
The amphipathie antibiotic, Valinomycin, is capable of facilitating diffusion of potassium ions because it can effectively...
The amphipathie antibiotic, Valinomycin, is capable of facilitating diffusion of potassium ions because it can effectively replace the solvation shell of the ion while being able to diffuse through the plasma membrane. What would happen if all of the potassium ion channels were blocked and then valinomycin was added to the cells immediately after? Consider that the experiment is performed on neurons in the resting state and other ion channels are intact. U K would be transported inside the neuron,...
What would happen to the amount of H+ secreted into the renal tubule if the activity...
What would happen to the amount of H+ secreted into the renal tubule if the activity of the Na+/K+ ATPase were increased?
Neuron Signaling and Muscle Contraction 1) “Dissect” the various parts of an action potential by describing...
Neuron Signaling and Muscle Contraction 1) “Dissect” the various parts of an action potential by describing the status (active or nonactive) of the voltage-gated sodium channel, voltage-gated potassium channel, sodium/potassium pump, and overall voltage and/ or voltage range (in millivolts, or mV) for each of the following. A) Resting membrane (prior to the initiation of an action potential) B) just before threshold to just after threshold (Depolarization) C) Rising phase of the action potential D) Falling phase of the action...
1. What channels or carriers are NOT found at the axon to the axon terminal? Select...
1. What channels or carriers are NOT found at the axon to the axon terminal? Select one: a. Na+ leaky channels b. Cl- gated channels c. Na+ gated channels d. Na+-K+ ATPase e. None of the above 2. What is TRUE about action potential in the neuron? There may be more than one answer. Select one or more: a. At resting membrane potential (-70mV), the inactivation gate of the Na+ channel is closed while the activation gate is opened. b....
QUESTION 7 What happens (immediately) if T-tubules blocked in skeletal muscle action potential increased an action...
QUESTION 7 What happens (immediately) if T-tubules blocked in skeletal muscle action potential increased an action potential blocked from progressing in fibril Myosin phosphatase in muscle O4(MP) activated d. inactivated QUESTION 8 Can be activated by stretch receptors (best answer only) a. Skeletal muscle Ob. smooth muscle Oc. myosin light chain phosphataso Od. A and B QUESTION 9 Action potential leads to activation of neurotransmitter in muscle answer true or false a true b. false c. not sure od silly...
Fill-in (1 pt per blank) 1. increases the rate of a biochemical reaction and remains unchanged...
Fill-in (1 pt per blank) 1. increases the rate of a biochemical reaction and remains unchanged at the end. 4. An axon will depolarize if the membrane potential reaches -60mV following the 4. Diffusion law. _ intravenous fluid would be given to a patient to reduce edema. the entropy of a solution. 5. In terms of net energy loss or gained, Glycolysis is an reaction. 6. To form lactic acid from pyruvic acid it is necessary to have _ 7....
Explain ALL 5 If sodium ions were not present, what would happen in muscle signaling? (1...
Explain ALL
5 If sodium ions were not present, what would happen in muscle signaling? (1 POINTS) O Acetylcholine would not be released. O Neurotransmitters would not be activated. O Fewer action potentials would be propagated. O The primary motor cortex would not activate an alpha motor neuron. 6 What is included in the appendicular skeleton? (1 POINTS) O Bones arranged around the central axis of the body O Bones that support and move the appendages O Skull O Ossicles...
During the aerobic metabolism of glucose, glucose is ____________. Reduced to form water Oxidized to form...
During the aerobic metabolism of glucose, glucose is ____________. Reduced to form water Oxidized to form water Reduced to form CO2 Oxidized to form CO2 Which of the following describes the equation: FAD + XH2 à FADH2 + X. FAD is reduced to FADH2 It is a coupled reduction – oxidation reaction XH2 is oxidized to X All of the above Which of the following is FALSE about glycolysis? The initial steps of glycolysis requires energy derived from the splitting...
choices for A: Na+/K+ pumps, voltage gated K+ channels,
voltage gated Ca+ channels, voltage gated Na+ channels
choices for B: bidirectionally, unidirectionally
choices for C: Na+/K+ pumps, voltage gated K+ channels,
voltage gated Ca+ channels, voltage gated Na+ channels
choices for D: Na+/K+ pumps, voltage gated K+ channels,
voltage gated Ca+ channels, voltage gated Na+ channels
Consider this graph illustrating the generation of an action potential across the plasma membrane of a stimulated neuron. +40 ACTION POTENTIAL plasma membrane potential...
The amphipathie antibiotic, Valinomycin, is capable of facilitating diffusion of potassium ions because it can effectively replace the solvation shell of the ion while being able to diffuse through the plasma membrane. What would happen if all of the potassium ion channels were blocked and then valinomycin was added to the cells immediately after? Consider that the experiment is performed on neurons in the resting state and other ion channels are intact. U K would be transported inside the neuron,...
QUESTION 7 What happens (immediately) if T-tubules blocked in skeletal muscle action potential increased an action potential blocked from progressing in fibril Myosin phosphatase in muscle O4(MP) activated d. inactivated QUESTION 8 Can be activated by stretch receptors (best answer only) a. Skeletal muscle Ob. smooth muscle Oc. myosin light chain phosphataso Od. A and B QUESTION 9 Action potential leads to activation of neurotransmitter in muscle answer true or false a true b. false c. not sure od silly...
Fill-in (1 pt per blank) 1. increases the rate of a biochemical reaction and remains unchanged at the end. 4. An axon will depolarize if the membrane potential reaches -60mV following the 4. Diffusion law. _ intravenous fluid would be given to a patient to reduce edema. the entropy of a solution. 5. In terms of net energy loss or gained, Glycolysis is an reaction. 6. To form lactic acid from pyruvic acid it is necessary to have _ 7....
Explain ALL
5 If sodium ions were not present, what would happen in muscle signaling? (1 POINTS) O Acetylcholine would not be released. O Neurotransmitters would not be activated. O Fewer action potentials would be propagated. O The primary motor cortex would not activate an alpha motor neuron. 6 What is included in the appendicular skeleton? (1 POINTS) O Bones arranged around the central axis of the body O Bones that support and move the appendages O Skull O Ossicles...
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