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The Eighteenth Amendment,having the dubious distinction of being the only constitutional amendment designed to deal directly with some substantive social problem and the only amendment to have been repealed,addressed the issue of
Noncyclic Pathways
Metabolic pathways that do not recycle their starting molecule, leading to the production of end products.
Hydrogen Ions
Positively charged ions (H+) that are formed when a hydrogen atom loses its electron, often used to quantify the acidity or alkalinity (pH) of solutions.
Thylakoid Compartment
A structure within chloroplasts of plant cells that contains the machinery for photosynthesis.
Chlorophyll A
A key photosynthetic pigment found in plants, algae, and cyanobacteria, responsible for the green color and vital for capturing light energy to produce food.
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