Stroma
Fluid within a chloroplast
Stroma is the supportive framework within the inner membrane of a chloroplast, where photosynthesis takes place. It is a fluid-filled matrix that contains various enzymes, DNA, ribosomes, and other molecules required for the synthesis of sugars and other organic compounds from carbon dioxide and water.
The stroma is essential for chloroplast function as it plays a crucial role in the light-independent reactions of photosynthesis, which convert carbon dioxide into organic compounds. In these reactions, carbon dioxide and energy from light are combined to produce sugars such as glucose, which are then used for energy by the plant or stored as starch. The stroma is also involved in the synthesis of amino acids, fatty acids, and lipids.
Overall, the stroma is an important part of the chloroplast, which allows plants to absorb energy from light and convert it into organic compounds, thus providing the energy needed for the plant’s growth and survival.
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