Question

Define photosynthesis

Answer 1

the process by which plants make their own food by using nonliving substance is known as photosynthesis substances such as sunlight water minerals carbon dioxide ............hope it helps........

Answer 2

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HERE IS YOUR ANSWER,

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Photosynthesis is the process by which chlorophyll-containing cells synthesize food in the form of carbohydrates form carbon dioxide and water using sunlight.

Therefore, the raw materials required for photosynthesis are CO2 and H2O and the products formed are carbohydrates and O2.

The process by which green plants and some other organisms use sunlight to synthesize foods from carbon dioxide and water. Photosynthesis in plants generally involves the green pigment chlorophyll and generates oxygen as a byproduct.

Carbohydrates, such as sugars, are synthesized from carbon dioxide and water (hence the name photosynthesis, from the Greek phÅ�s, "light", and synthesis, "putting together". Oxygen is also released, mostly as a waste product. Most plants, most algae, and cyanobacteria perform the process of photosynthesis, and are called photoautotrophs. Photosynthesis maintains atmospheric oxygen levels and supplies all of the organic compounds and most of the energy necessary for all life on Earth.

Although photosynthesis is performed differently by different species, the process always begins when energy from light is absorbed by proteins called reaction centresthat contain green chlorophyll pigments. In plants, these proteins are held inside organellescalled chloroplasts, which are most abundant in leaf cells, while in bacteria they are embedded in the plasma membrane. In these light-dependent reactions, some energy is used to strip electrons from suitable substances such as water, producing oxygen gas. Furthermore, two further compounds are generated: reduced nicotinamide adenine dinucleotide phosphate(NADPH) and adenosine triphosphate (ATP), the "energy currency" of cells.

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