The statement 'by performing photosynthesis, plants create everything they need to build all biomolecules' IS NOT TRUE because plants need to sequester nitrogen from the soil to build amino acids.
Photosynthesis is a series of metabolic reactions by which plants synthesize biomolecules by using sunlight. During this process, plants use simple molecules (H2O, CO2) to create oxygen and chemical energy.
During photosynthesis, chemical energy is stored in the chemical bonds of simple carbohydrates (e.g., glucose).
Carbohydrates are biomolecules consisting of Hydrogen, Carbon, and Oxygen.
Plants require Nitrogen, Phosphorous and Sulfur from the soil in order to to create different biomolecules such as proteins (whose building blocks are amino acids) and nucleic acids.
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