How is a cell of a multicellular organism different from a cell of a unicellular one? What are the characteristics inherent in multicellular organisms.

In unicellular organisms, the cell also plays the role of the whole organism. In multicellular cells, the cell is part of the whole organism; cells in multicellular cells are interconnected.
A cell of a multicellular organism is a eukaryotic cell. Cells contain two main components that are closely related to each other – the cytoplasm and the nucleus. The nucleus is separated from the cytoplasm by a porous membrane and contains nuclear juice, chromatin and nucleolus. A semi-liquid cytoplasm fills the entire cell and is penetrated by numerous tubules. Outside, it is covered with a cytoplasmic membrane. It contains specialized organoid structures that are constantly present in the cell, and temporary structures — inclusions. Membrane organelles: external cytoplasmic membrane (HCM), endoplasmic reticulum (EPS), Golgi apparatus, lysosomes, mitochondria, and plastids. The basis of the structure of all membrane organelles is a biological membrane. All membranes have a fundamentally unified structural plan and consist of a double layer of phospholipids, in which protein molecules are immersed from different sides of the willow of different depths. Membranes of organelles differ from each other only in sets of their constituent proteins. The cell has a thin and very complex organization. An extensive network of cytoplasmic membranes and the membrane principle of the structure of organelles make it possible to distinguish between many chemical reactions occurring simultaneously in the cell. Multicellular cells are collected in tissue, and have an intercellular substance. A characteristic feature of multicellular is the qualitative inequality of cells that become highly specialized. Cells perform different functions in a holistic organism and are combined into tissues and organs. Multicellular organisms are characterized by individual development, starting with the division of one cell: spores or zygotes. Autotrophs (plants), heterotrophs (animals, mushrooms), saprotrophs (mushrooms), mixotrophs (plants) are referred to multicellular ones.

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