How would antibodies against the ACh receptors affect the levels of Ca2+ inside the sarcoplasmic reticulum?...
How would antibodies against the ACh receptors affect the levels of Ca2+ inside the sarcoplasmic reticulum? What effect does this have on the actin and myosin filaments?
Homework Answers
The Ca2+ would not release from the vesicles due to limited function of ryanodine receptors. The ryanodine receptors are located on the sarcoplasmic reticulum and once opened allows Ca2+ flow from sarcoplasmic reticulum into the sarcoplasm. The limited function of ryanodine receptors are caused by low ACh and signal conduction. All these contribute in retaining high storage.
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How would antibodies against the ACh receptors affect the levels
of Ca2+ inside the sarcoplasmic reticulum?...
13. During skeletal musele contraction, whet substance does the sarcoplasmic reticulum store and release? A. acetyicholine...
13. During skeletal musele contraction, whet substance does the sarcoplasmic reticulum store and release? A. acetyicholine B. sodium D. calcium 34. What stimalates the sarcoplasmic reticulum (SR) to release this chemical? A. the voltage change from the muscular action potential traveling down the transverse (1) tubules B. the binding of acetylcholine to ligand-gated channels in the transverse tubules C. direct stimulus from the neural action potential D, the binding of myosin to actin 35. Transverse (T) tubales are extensions of...
answer only question number 7.please answer only question number 7 Why termination of a cell signaling...
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only question number 7.please answer only question number 7
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13. During skeletal musele contraction, whet substance does the sarcoplasmic reticulum store and release? A. acetyicholine B. sodium D. calcium 34. What stimalates the sarcoplasmic reticulum (SR) to release this chemical? A. the voltage change from the muscular action potential traveling down the transverse (1) tubules B. the binding of acetylcholine to ligand-gated channels in the transverse tubules C. direct stimulus from the neural action potential D, the binding of myosin to actin 35. Transverse (T) tubales are extensions of...
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only question number 7.please answer only question number 7
Why termination of a cell signaling event is important? Explain with two examples how GPCR signaling is terminated. What is actin filaments treadmilling? What would be the consequence for actin filament assembly/disassembly if a mutation prevented actin's ability to bind ATP? What would be the consequence if a mutation prevented actin's ability to hydrolyze ATP? Predict the effect on a cell's actin cytoskeleton if function blocking antibody against cofilin was...
How would an equal distribution of ions inside (intracellular) and outside (extracellular) the neuron affect the membrane potential? What is the advantage of an unequal distribution?
41. How would an increase in blood CO2 levels effect respiratory rate? a. It would cause an increase in respiratory rate b. It would cause a decrease in respiratory rate 42. If arterial blood contain 98% oxyhemoglobin saturation and venous blood contains 60% oxyhemoglobin saturation, what can you conclude? a. There is increased loading of oxygen at the lung b. There is increased unloading at the tissues c. The person is resting 43. Which of the following causes water reabsorption...
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