University College London explains that skeletal muscle cells have more than one nucleus in each cell because each cell is actually a combination of several cells that have fused to each other. During the process of fusi... More » Science Biology Cells

The two main functions of a muscle cell are to produce movement through force and to maintain posture, according to Science360. They are frequently called muscle fibers because the length of a muscle cell is greater than... More » Science Biology Cells

Skeletal muscle does not contain any type of cell-to-cell junctions, including gap junctions. Gap junctions are found in cardiac and smooth muscle, where they function to increase the speed of electrical communication, o... More » Science Human Anatomy Muscles
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Organelles of a skeletal muscle cell contain the same organelles as other animal cells, with the addition of myofibrils. Muscle fibers within the skeletal cell are known as myofibers. These organelles allow skeletal musc... More » Science Biology Cells

Teach PE points to bands of myosin and actin within the structural units of skeletal muscle as cause for the tissue's striated appearance. The units they are contained in are called sarcomeres, which are structurally dis... More » Science Biology Cells

Prokaryote cells can live without and do not contain a membrane-bound nucleus. Instead, the DNA they possess is free inside the cell. Eurkaryotic cells possess a membrane-bound nucleus that is essential to many of the ce... More » Science Biology Cells

Prokaryotic cells lack a nucleus. Bacteria and members of the domain Archaea are prokaryotes, while plants, animals, protists and fungi are eukaryotes. Prokaryotic cells lack the membrane-bound organelles found in eukary... More » Science Biology Cells