A sarcomere Blank______.Multiple choice question.is the same thing as sarcoplasmic reticulumis the same thing as a muscle cellcontains both actin and myosincontains either actin or myosin

Multiple Choice QuestionThe sarcoplasmic reticulum of a muscle fiber is the Blank______.Multiple choice question.Endoplasmic reticulumPlasma membraneNucleusCytoplasm

In a muscle cell, the highly specialized, smooth endoplasmic reticulum is called the Blank______.Multiple choice question.sarcolemmatransverse tubulesarcoplasmsarcoplasmic reticulum

The thick filaments of the sarcomeres contain what type of proteins? A. Actin B. Fascicles C. Myosin D. Myofibrils

The action potential moves from the sarcolemma surface deep into the myofiber via the Blank______.Multiple choice question.sarcoplasmmyosin filamentssarcoplasmic reticulumT tubules

Several of the structures in the muscle cell are given special names. For example, the cytoplasm of a muscle fiber is called the sarcoplasm. Which of the following is truly a unique structure to muscle cells (not just a renamed one)?Multiple Choicecytoplasmnucleusendoplasmic reticulumtransverse (T) systemplasma membrane