Where are mitochondria located in a relaxed muscle fiber?
A.
In the t-tubules
B.
In the sarcoplasmic reticulum
C.
in the...
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Medical Sciences
Where are mitochondria located in a relaxed muscle fiber?
A.
In the t-tubules
B.
In the sarcoplasmic reticulum
C.
in the sarcoplasm
D.
In the sarcolemma
Answer & Explanation
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Answer C sarcoplasmSacroplasm is the cytoplasm of the muscle fiber or cell whichcontains the mitochondria and nucleiWe will see the description of all the terms mentioned inoptionsFirst the structure of the sarcomere which is the repeated unitof muscle fiber enclosed within two Z BANDSSarcomere is the unit of the muscle fiber whichrepeated again and again between the two ZlinesZ lines makes the boundariesof the sarcomere on each side and the area betweenthe two z line is sarcomere which holds the thin filament calledactin togetherActin are binded to the z line which forms theboundary of the sarcomereThere are two proteins called as theactin and myosin in which actin is the thinfilament and the myosin is the thick filamentMyosin is attached to the ATP which is theenergy source for the musclesIf the
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