What are the different components of muscle cell?
Answers
Answer:
General components of Muscle Fibres/Cells:
The parts of skeletal muscle cells that are specific to muscle tissue are myofibrils. Each muscle fibre ("muscle cell") is covered by a plasma membrane sheath which is called the sarcolemma. ... The cytoplasm present is muscle fibres (muscle cells) is called sarcoplasm.✌✌✌✌
Answer:
The parts of skeletal muscle cells that are specific to muscle tissue are myofibrils.
Each muscle fibre ("muscle cell") is covered by a plasma membrane sheath which is called the sarcolemma.
Tunnel-like extensions from the sarcolemma pass through the muscle fibre from one side of it to the other in transverse sections through the diameter of the fibre. These tunnel-like extensions are known as transverse tubules ("T Tubules") - not shown in diagram above.
The nuclei of muscle fibres ("muscle cells") are located at the edges of the diameter of the fibre, adjacent to the sarcolemma. As illustrated, a single muscle fibre may have many nuclei.
Cytoplasm is present in all living cells.
The cytoplasm present is muscle fibres (muscle cells) is called sarcoplasm.
The sarcoplasm present in muscle fibres contains very many mitochondria, which are the energy-producing units within the cell. These mitochondria produce large amounts of a chemical called "Adenosine Triphosphate", which is usually referred to in abbreviated form as "ATP". (The cellular activities for which ATP is required include contracting muscles, moving chromosomes during cell division, moving structures with cells, transporting substances across cell membranes, and synthesizing larger molecules from smaller ones. To understand the function of ATP for the actions of muscle fibres/cells, remember that ATP is necessary for muscle contraction, and is produced by the mitochondria within the muscle cell/s).
Sarcoplasmic reticulum is a network of membrane-enclosed tubules similar to smooth endoplasmic reticulum (SER). Sarcoplasmic reticulum is present in muscle fibres/cells and extends throughout the sarcoplasm of the cell. The function of the sarcoplasmic reticulum is to store calcium ions, which are necessary for muscle contraction.
Myoglobin is also present in the sarcoplasm of muscle fibres/cells. This is a reddish pigment that not only results in the distinctive colour of skeletal muscle, but also stores oxygen - until it is required by the mitochondria for the production of ATP.
Explanation:
IT IS THE DIFFERENT COMPONENTS OF MUSCLE CELLS.
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