Homework Answers
The pumps that actively transport calcium back into sarcoplasmic reticulum are called Ca2+ ATPase pump.
This pump help to reduce calcium level around actin and myosin by pumping this back into sarcoplasmic reticulum by using energy in form of ATP during muscle relaxation.
Sarcoplasmic reticulum is store house of calcium in muscles. During muscle contraction calcium fascilitates interaction between myosin and actin.
Transverse tubules enable electrical signal to move deeper into cell.
Neuromuscular junction convert temporal sequence of action potential in motor neuron into muscle contractions.
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The pumps that actively transport calcium back into the ATPase pumps. are called Ca2+. Multiple...
Which of the following best describes what happens to calcium ions during the relaxation period (phase)...
Which of the following best describes what happens to calcium ions during the relaxation period (phase) of a muscle twitch? They are being actively pumped back into the transverse tubules (T-tubules) They are undergoing passive transport back into the sarcoplasmic reticulum They are undergoing passive transport back into the transverse tubules (T-tubules) They are being actively pumped back into the sarcoplasmic reticulum
The sarcoplasmic reticulum calcium transport ATPase (SERCA) D351A mutant has the P domain Asp 351 residue...
The sarcoplasmic reticulum calcium transport ATPase (SERCA) D351A mutant has the P domain Asp 351 residue replaced by alanine. How would this affect the Ca2+ ATPase? Choose two answers.
Regarding the neuromuscular junction... a. Depolarization of the presynaptic membrane directly causes voltage-gated calcium channels in...
Regarding the neuromuscular junction... a. Depolarization of the presynaptic membrane directly causes voltage-gated calcium channels in the membrane to open. b. Action potentials in the sarcolemma directly cause calcium channels to open. c. Action potentials in the sarcoplasmic reticulum indirectly cause the calcium ATPase pump to function, if ATP is present. d. both a) and b) are correct, and c) is incorrect e. a), b) and c) are all correct 2) Following ATP hydrolysis by myosin, which steps occur during...
Multiple choice questions-Tor tes scantron questios s In a sarcomere, cross-bridge formation occurs specifically in the...
Multiple choice questions-Tor tes scantron questios s In a sarcomere, cross-bridge formation occurs specifically in the 5. Skeletal muscle fibers are formed from embryonic cells calledwhich fuse together, making skeletal muscle cells multinucleated. 1. a. sarcomeres b. myofibrils c. myoblasts d. fascicles a. Z line. b. I band c. M line. d. H band e. zone of overlap. 6. Titin is a(n) a. elastic protein. b. thin filament protein. 2. A thin layer of connective tissue that surounds a muscle...
The brain and spinal cord make up the Select one: O a. Peripheral nervous system O...
The brain and spinal cord make up the Select one: O a. Peripheral nervous system O b. Enteric nervous system O c. Autonomic nervous system O d. Central nervous system Which type of neuroglial cells help to produce and circulate cerebrospinal fluid? Select one: O a. Microglia O b. Ependymal cells O c. Oligodendrocytes O d. Astrocytes Question 70 Not yet answered Points out of 1 P Flag question During the the process of depolarization, Select one: O a. Potassium...
Help Save & Exit An amortization schedule for a bond issued at a premium: Multiple Choice...
Help Save & Exit An amortization schedule for a bond issued at a premium: Multiple Choice Has a carrying value that increases over time o Is contained in the balance sheet o () is a schedule that reflects the changes in the carry e bond over its term to maturity ) All of the other answer choices are correct Prev 5 of 30 !! Next > Help Save Which of the following statements is correct? Multiple Choice O Bonds are...
Need help on accounting questions. , I just need the multiple choice answers... Question 9: In...
Need help on accounting questions. , I just need the multiple choice answers... Question 9: In the straight line depreciation formula you learned in this course: A: the amount of charge (depreciation expense) will decrease each period as the depreciable base shrinks B: two of the choices above represent correct statements C: the numerator of the fraction represents the gross cost of the asset D: salvage value (residual value) must be taken into account and this will necessarily increase the...
change pas channels in the volta t ive protein to change shape. This A of the...
change pas channels in the volta t ive protein to change shape. This A of the S l e terminal siste oplasmic reticum calcio p r eneule warcoplasm reticulum sodium ions m o nster transverse tubules sarcolemma: calcium ions Saroplasmic reticum: triadsarcolemma: calcium ions sons bind to This causes a change in shape and exposing C D E Calcium vesicle tylcholine action potential Sodium sarcolemma calcium on myosin heads Sodium sacoplasmic reticulum calcium ions actin 15. An attaches to exposed...
Multiple Choice: I could use a little help. I need some guidance if possible. Brandon, an...
Multiple Choice:
I could use a little help. I need some guidance if possible.
Brandon, an individual, began business four years ago and has sold $1231 assets with $5,750 of losses within the last 5 years. Brandon owned each of the assets for several years. In the current year, Brandon sold the following business assets: Original Cost $ 31,500 55,000 120,000 Accumulated Depreciation $ 8,500 Asset Machinery Land Building Gain/Loss $ 10,750 27,500 (20,000) 35,000 Assuming Brandon's marginal ordinary income...
NAME SID 25. Usted below are different steps that occur during the excitation and contraction of...
NAME SID 25. Usted below are different steps that occur during the excitation and contraction of a muscle fiber. Please select the correct sequence in which these stages occur. 1) Ca2+ binds to Tropomyosin, causing a conformational change that unblocks cross-bridge binding sites. 2) The Sarcoplasmic Reticulum is depolarized, which opens up Voltage-Gated Channels that release Ca2+ into the cytoplasm. 3) The Action Potential then travels along the cell membrane and down transverse tubules that extend into the muscle fiber....
Which of the following best describes what happens to calcium ions during the relaxation period (phase) of a muscle twitch? They are being actively pumped back into the transverse tubules (T-tubules) They are undergoing passive transport back into the sarcoplasmic reticulum They are undergoing passive transport back into the transverse tubules (T-tubules) They are being actively pumped back into the sarcoplasmic reticulum
The sarcoplasmic reticulum calcium transport ATPase (SERCA) D351A mutant has the P domain Asp 351 residue replaced by alanine. How would this affect the Ca2+ ATPase? Choose two answers.
Multiple choice questions-Tor tes scantron questios s In a sarcomere, cross-bridge formation occurs specifically in the 5. Skeletal muscle fibers are formed from embryonic cells calledwhich fuse together, making skeletal muscle cells multinucleated. 1. a. sarcomeres b. myofibrils c. myoblasts d. fascicles a. Z line. b. I band c. M line. d. H band e. zone of overlap. 6. Titin is a(n) a. elastic protein. b. thin filament protein. 2. A thin layer of connective tissue that surounds a muscle...
The brain and spinal cord make up the Select one: O a. Peripheral nervous system O b. Enteric nervous system O c. Autonomic nervous system O d. Central nervous system Which type of neuroglial cells help to produce and circulate cerebrospinal fluid? Select one: O a. Microglia O b. Ependymal cells O c. Oligodendrocytes O d. Astrocytes Question 70 Not yet answered Points out of 1 P Flag question During the the process of depolarization, Select one: O a. Potassium...
Help Save & Exit An amortization schedule for a bond issued at a premium: Multiple Choice Has a carrying value that increases over time o Is contained in the balance sheet o () is a schedule that reflects the changes in the carry e bond over its term to maturity ) All of the other answer choices are correct Prev 5 of 30 !! Next > Help Save Which of the following statements is correct? Multiple Choice O Bonds are...
change pas channels in the volta t ive protein to change shape. This A of the S l e terminal siste oplasmic reticum calcio p r eneule warcoplasm reticulum sodium ions m o nster transverse tubules sarcolemma: calcium ions Saroplasmic reticum: triadsarcolemma: calcium ions sons bind to This causes a change in shape and exposing C D E Calcium vesicle tylcholine action potential Sodium sarcolemma calcium on myosin heads Sodium sacoplasmic reticulum calcium ions actin 15. An attaches to exposed...
Multiple Choice:
I could use a little help. I need some guidance if possible.
Brandon, an individual, began business four years ago and has sold $1231 assets with $5,750 of losses within the last 5 years. Brandon owned each of the assets for several years. In the current year, Brandon sold the following business assets: Original Cost $ 31,500 55,000 120,000 Accumulated Depreciation $ 8,500 Asset Machinery Land Building Gain/Loss $ 10,750 27,500 (20,000) 35,000 Assuming Brandon's marginal ordinary income...
NAME SID 25. Usted below are different steps that occur during the excitation and contraction of a muscle fiber. Please select the correct sequence in which these stages occur. 1) Ca2+ binds to Tropomyosin, causing a conformational change that unblocks cross-bridge binding sites. 2) The Sarcoplasmic Reticulum is depolarized, which opens up Voltage-Gated Channels that release Ca2+ into the cytoplasm. 3) The Action Potential then travels along the cell membrane and down transverse tubules that extend into the muscle fiber....
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