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WHAT IS CELL WALL AND WHAT IS CHLOROPLAST?

by Guest59138  |  earlier

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WHAT IS CELL WALL AND WHAT IS CHLOROPLAST?

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  1. A cell wall is a fairly rigid layer surrounding a cell, located external to the cell membrane, which provides the cell with structural support, protection, and acts as a filtering mechanism.

    Chloroplasts are organelles found in plant cells and eukaryotic algae that conduct photosynthesis. Chloroplasts absorb light and use it in conjunction with water and carbon dioxide to produce sugars, the raw material for energy and biomass production in all green plants and the animals that depend on them, directly or indirectly, for food.

    And a thing common in both is that they arte realated to plants.  


  2. They are both parts of a plant cell.

    The cell wall is the firm, outermost layer that gives a plant cell it's structure.

    Chloroplasts are the organelles in the plant cell that give plants their green color, and perform the procecess of photosynthesis.

  3. Both belong to a plant cell only.

    A cell wall is a freely permeable membrane of a plant cell that provides support. It is made up of cellulose and is absent in animal cells.

    Chloroplasts are the cell organelles in plants that conduct the process of photosynthesis. They contain various pigments such as chlorophyll,carotene. They also posses chromosomes thus enabling them to multiply.

  4. A cell wall is a fairly rigid layer surrounding a cell, located external to the cell membrane, which provides the cell with structural support, protection, and acts as a filtering mechanism. The cell wall also prevents over-expansion when water enters the cell. They are found in plants, bacteria, fungi, algae, and some archaea. Animals, and protozoa do not have cell walls.

    The materials in a cell wall varies between species. In plants, the strongest component of the complex cell wall is a carbohydrate polymer called cellulose. In bacteria, peptidoglycan forms the cell wall. Archaean cell walls have various compositions, and may be formed of glycoprotein S-layers, pseudopeptidoglycan, or polysaccharides. Fungi possess cell walls of chitin, and algae typically possess walls constructed of glycoproteins and polysaccharides, however certain algal species may have a cell wall composed of silicic acid. Often, other accessory molecules are found anchored to the cell wall.

    Chloroplasts are organelles found in plant cells and eukaryotic algae that conduct photosynthesis. Chloroplasts absorb light and use it in conjunction with water and carbon dioxide to produce sugars, the raw material for energy and biomass production in all green plants and the animals that depend on them, directly or indirectly, for food. Chloroplasts capture light energy to conserve free energy in the form of ATP and reduce NADP to NADPH through a complex set of processes called photosynthesis. It is derived from the Greek words chloros which means green and plast which means form or entity. Chloroplasts are members of a class of organelles known as plastids.

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