Skeletal muscle cells are long, cylindrical, and striated. They are multi-nucleated meaning that they have more than one nucleus.
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Types of Muscle Tissue and Fibers | Biology for Majors II
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What type of muscle cells have more than one nucleus quizlet?
skeletal muscle cells contain more than one nucleus.
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Does smooth muscle cell have more than one nucleus?
Smooth muscle cells are spindle shaped, have a single, centrally located nucleus, and lack striations. They are called involuntary muscles. Cardiac muscle has branching fibers, one nucleus per cell, striations, and intercalated disks. Its contraction is not under voluntary control.
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What is a cell with more than one nucleus?
Multinucleate cells (also known as multinucleated or polynuclear cells) are eukaryotic cells that have more than one nucleus per cell, i.e., multiple nuclei share one common cytoplasm.
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In which type of muscle are the cells multinucleated?
Skeletal muscle fibers are the only muscle cells that are multinucleated with the nuclei usually referred to as myonuclei. This occurs during myogenesis with the fusion of myoblasts each contributing a nucleus to the newly formed muscle cell or myotube.
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Which type of muscle cell have more than one nucleus?
Skeletal muscle cells are long, cylindrical, and striated. They are multi-nucleated meaning that they have more than one nucleus. This is because they are formed from the fusion of embryonic myoblasts.
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What cells have multiple nuclei quizlet?
muscle cells have many nuclei, as humans only have one.
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Does a muscle Fibre have more than one nucleus?
Abstract. Many types of large cells have multiple nuclei. In skeletal muscle fibers, the nuclei are distributed along the cell to maximize their internuclear distances. This myonuclear positioning is crucial for cell function.
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How many nuclei are in a smooth muscle cell?
Smooth muscle is made up of cells that contain a single central nucleus.
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Does a smooth muscle cell contain two nuclei?
Smooth muscle cells are spindle-shaped and contain a single central nucleus.
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What muscle cells have more than one nucleus?
Skeletal muscle fibers are the only muscle cells that are multinucleated with the nuclei usually referred to as myonuclei.
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Why does smooth muscle only have one nucleus?
Cardiac has one or two nuclei per fiber, and smooth muscle cells only have one. This is because of the high metabolic demands of these cells. There is a constant need for protein production and repairs to maintain muscle tissue, processes which originate in the nucleus.
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What cells are multinucleated?
While a majority of cells in the human body only possess a single nucleus, there are some cells which are multinucleated, possessing two or more nuclei. Some of these cell types include hepatocytes (the main functional cells in the liver), osteoclasts (cells that break down bone tissue), and skeletal muscle fibers.
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Can a human cell have more than one nucleus?
A cell normally contains only one nucleus. Under some conditions, however, the nucleus divides but the cytoplasm does not. This produces a multinucleate cell (syncytium) such as occurs in skeletal muscle fibres. Some cells—e.g., the human red blood cell—lose their nuclei upon maturation.
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Which muscles have multinucleated conditions?
Skeletal muscle cells are multinucleated from the fusion of muscle cells. Smooth muscle cells are strictly mononucleated, and cardiac muscle cells are mononucleated in humans.
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Why are muscle cells multinucleated?
Multinucleation is one mechanism adopted by cells to generate and sustain large cell sizes. Muscle cells are one of the largest cell types, which are formed by fusion of mononucleated myoblasts and contain up to several tens (invertebrates) to several hundred (vertebrates) nuclei.
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Is skeletal muscle multinucleated or Uninucleate?
Cardiac and smooth muscles have only one nucleus in their cells, whereas striated muscle cells are multinucleate.
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Is smooth muscle multinucleated or Uninucleate?
Smooth muscles are involuntary muscles. Each muscle fibre is a long, narrow, spindle shaped tapering cell. The cell is uninucleate.
