Examlex
Each rhodopsin consists of a protein called opsin that binds to a single pigment molecule called retinol.
Phloem
The vascular tissue in plants responsible for the transport of nutrients, especially sucrose, from the leaves to other parts of the plant.
Parenchyma Cells
Fundamental plant tissue composed of thin-walled living cells that function in photosynthesis, storage, and as the tissue repair and regeneration mechanism.
Secondary Growth
Growth that results in an increase in girth or thickness of plants, particularly in woody plants.
Primary Xylem
The portion of the xylem that is formed during the primary growth of plants, responsible for the transport of water and nutrients from the roots.
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