Biology Regents Practice Exam 2025 – The All-in-One Guide to Master Your Regents!

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What is the role of chlorophyll in photosynthesis?

To absorb and convert light energy

Chlorophyll plays a crucial role in photosynthesis by absorbing light energy from the sun, which is essential for the process. It primarily absorbs light in the blue and red wavelengths while reflecting green light, which is why plants appear green. This absorbed light energy is then converted into chemical energy through a series of reactions involving water and carbon dioxide. This process ultimately leads to the production of glucose, providing energy and organic material for the plant. While other processes related to photosynthesis, such as the release of oxygen and the production of glucose, occur as a result of the energy harnessed by chlorophyll, the primary role of chlorophyll itself is the absorption and conversion of light energy.

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To release oxygen into the atmosphere

To produce glucose from carbon dioxide

To transport nutrients within the plant

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