Which of the following stores calcium within a muscle fiber?Multiple choice question.MyofibrilSarcolemmaSarcoplasmic reticulumTransverse tubule

What structure in a muscle fiber acts as a calcium reservoir or storage site?Multiple choice question.Sarcoplasmic reticulumGolgi apparatusSynaptic vesiclesSarcolemma

An elaborate network of membranes in skeletal muscle fibers that functions as calcium storage is Group of answer choicessarcolemmamyofibrilssarcoplasmsarcoplasmic reticulum

Which substance is stored in the muscle’s endoplasmic reticulum and then released when a nerve signal stimulates a muscle fiber?Group of answer choicesMyoglobinCalcium ionsATPSarcomeres

Calcium ions released from the sarcoplasmic reticulum enter the ______________.Multiple ChoicenucleussarcoplasmT tubulessarcolemma

Select all of the following that are components of a muscle fiber.Multiple select question.SarcolemmaMyelin sheathT tubuleAxon terminalSarcoplasm