The plant cell has a number of features and uniqueness in comparison with other kingdoms of organisms. Plants have a cell wall of cellulose, it is necessary to have special structures that are involved in photosynthesis – three types of plastids (chloroplasts, chromoplasts, leukoplasts). Vacuoles are required (with vacuolar juice containing 90% water and dissolved mineral salts). Special structures performing intercellular contact – plasmodesmata – connecting bridges between adjacent cells. There is a cell center only in lower plants, in higher plants it is not. Spare nutrients – starch grains, drops of fat and oil. The main feature is the type of nutrition – autotrophic due to the main pigment – chlorophyll. ATP synthesis – in chloroplasts and mitochondria.
Remember: The process of learning a person lasts a lifetime. The value of the same knowledge for different people may be different, it is determined by their individual characteristics and needs. Therefore, knowledge is always needed at any age and position.