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cells    音标拼音: [s'ɛlz]

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  • Cell (biology) - Wikipedia
    Cells emerged on Earth about 4 billion years ago All cells are capable of replication, protein synthesis, and motility Cells are broadly categorized into two types: eukaryotic cells, which possess a nucleus, and prokaryotic cells, which lack a nucleus but have a nucleoid region
  • What Is a Cell? | Learn Science at Scitable - Nature
    Cells are the smallest common denominator of life Some cells are organisms unto themselves; others are part of multicellular organisms
  • Overview of Cells - Visible Body
    There are many, many types of cells, but there are a few key things most of them have in common: All cells are bound by a plasma membrane The interior of all cells consists of cytoplasm filled with a jelly-like substance called cytosol Structures inside the cell are suspended in the cytosol
  • Cell – Structure, Characteristics, Types, Size and Shape, Functions
    Cells provide the fundamental structure that supports the body of an organism Each cell contributes to the shape and stability of tissues and organs, forming the building blocks of life
  • Cells - The Building Blocks of Life | Ask A Biologist
    All living beings are made up of cells Some of them are made up of only one cell and others have many cells The average adult human body has around 37 2 trillion cells WOW, that's a lot of cells So many, in fact, that it's hard to picture





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