The motor end plate is extensively folded to allow for a greater number of what structures?Terminal cisternaeTransverse tubulesCholinergic receptorsO MyofibrilsParking spaces. Too bad WSU doesn't have motor end plates.

Motor end plate -the flattened end of a motor neuron that transmits neural impulses to a muscle.…

Answered: The motor end plate is extensively…

Biology: The Unity and Diversity of Life (MindTap Course List)

15th Edition

ISBN:9781337408332

Author:Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr

Publisher:Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr

Chapter40: Maintaining The Internal Environment

Section: Chapter Questions

Problem 6SQ

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T-type calcium channels inactive rapidly. True False
Calcium is vital for bone growth, but it's also an important part of neural transmission. The role of calcium in neural transmission is that it enables the axon terminals to effectively Select one: a. secrete neurotransmitter into the synapse via exocytosis b. reabsorb neurotransmitter from the synapse via endocytosis after an action potential c. reabsorb neurotransmitter from the synapse via exocytosis after an action potential d. secrete neurotransmitter into the synapse via endocytosis
Order the following events of excitation and excitationcontraction coupling. Put 1 by the first event, 2 by the second, and so on._____ The motor end plate generates an end-plate potential._____ The action potential spreads along the T-tubules, SR calcium ion channels are pulled open, and calcium ions flood the cytosol._____ Acetylcholine binds to receptors on the motor end plate, and ligand-gated ion channels open._____ Calcium ions bind troponin, which allows tropomyosin to move away from the actin active site, initiating a contraction cycle._____ The action potential propagates through the sarcolemma and dives deeply into the cell along the T-tubules.
What does the depolarization of the transverse tubules (T-tubules) promote? Group of answer choices entry of sodium ions into the muscle fiber through voltage-gated sodium ion channels release of calcium from the sarcoplasmic reticulum release of acetylcholine from vesicles in the motor neuron into the synaptic cleft binding of acetylcholine to ligand-gated sodium ion channels
Fill in the blank: The P wave corresponds to depolarization of the muscle fibers of the _______________________.
Action potentials in heart muscle cells have a prolonged plateau phase caused by ______through voltage-gated channels. A potassium entering B sodium leaving C sodium entering D calcium entering E calcium leaving
sodium potassium pumps are the driving force behind what
Depolarization of the sarcolemma means ________. the inside of the membrane has become Less negative as sodium ions accumulate the outside of the membrane has become less negative as sodium ions accumulate the inside of the membrane has become more negative as sodium ions accumulate the sarcolemma has completely lost any electrical charge
The following events occur when the body loses water by sweating.I - Hypothalamus stimulates the posterior pituitary glandII - Osmotic pressure of blood stabilizesIII - ADH causes kidneys to reabsorb more waterIV - Osmotic pressure of blood increases In what order do these events occur?
.The poison ouabain (wah-BAY-in), or arrow poison, blocks the Na+ K+pump. What effect would this poison have on the sodium and potassium ion gradients and so on the action potentials of a muscle fiber?
What do you mean by actin myofilaments?
What main effect do endothelin, angiotensin II, and norepinephrine have on the smooth muscle of muscular atries

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The motor end plate is extensively folded to allow for a greater number of what structures? Terminal cisternae Transverse tubules Cholinergic receptors O Myofibrils O Parking spaces. Too bad WSU doesn't have motor end plates.