IGNOU BBCCT 109 2025 - Explain the partitioning of fixed carbon to sucrose and star

Question

Explain the partitioning of fixed carbon to sucrose and starch synthesis in leaf cells.

08 Feb 2025

Answer :

Word Count : 250

The partitioning of fixed carbon into sucrose and starch synthesis in leaf cells is a critical aspect of plant metabolism, ensuring a balance between immediate energy needs and storage for later use. The process begins with carbon fixation via the Calvin cycle in the chloroplasts, where triose phosphates (TPs) such as glyceraldehyde-3-phosphate (G3P) and dihydroxyacetone phosphate (DHAP) are produced. These intermediates serve as

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