• Biochemistry


    Organs such as stem, roots in plants made up of different kinds of tissues. A tissue is a group of cells with a common origin, structure and function.Their common origin means they are derived from the same layer of cells in the embryo. Being of a common origin, they are similar in structure and hence perform the same function. Many kinds of tissues organize to form an organ. Example: Parenchyma, collenchyma, xylem, and phloem are different tissues in plants. The study of tissues is called histology. The plant tissues are mainly of two types: Meristematic (Gk. meristos : dividing) Permanent (non-dividing) Meristematic tissues Composed of immature or undifferentiated cells without intercellular spaces.…


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