Respuesta :
Starch granules of a modified stem primarily found either in chloroplasts ( leaves) or in specialized amyloplasts.
What are starch granules?
- A starch grain is essentially a densely packed storehouse of glucose sugar units.
- Many plants store starch grains in underground organs like roots, bulbs, tubers, and rhizomes, in addition to seeds and stems.
- Abstract. Starch, the primary storage carbohydrate in plants, is synthesized as semi-crystalline, insoluble granules in plastids. Plants primarily store carbon in the form of starch.
- It appears as semi-crystalline granules composed primarily of two glucose polymers, amylose and amylopectin. Starch granules have distinctive internal growth rings.
- Granule size and shape can differ depending on the plant organ in which they occur and between species.
- Starch is the primary storage carbohydrate in most photosynthetic organisms, allowing carbon and energy accumulation in the form of an insoluble and semi-crystalline particle.
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