Photosynthesis is the procedure whereby plants use sunlight, water, and carbon dioxide to create oxygen and power in the create of sugar.

You are watching: What are the raw materials and products of photosynthesis


Green Tree Leaves

The plant leaves are green because that shade is the component of sunlight reflected by a pigment in the leaves referred to as chlorophyll.

Picture courtesy of Shutterstock


Many life on Planet relies on photosynthesis.The procedure is lugged out by plants, algae, and also some kinds of bacteria, which capture energy from sunlight to develop oxygen (O2) and chemical energy stored in glucose (a sugar). Herbivores then obtain this power by eating plants, and also carnivores acquire it by eating herbivores.

The process

During photosynthesis, plants take in carbon dioxide (CO2) and also water (H2O) from the air and also soil. Within the plant cell, the water is oxidized, meaning it loses electrons, while the carbon dioxide is decreased, interpretation it gains electrons. This transdevelops the water into oxygen and also the carbon dioxide into glucose. The plant then releases the oxygen back right into the air, and also stores energy within the glucose molecules.


Inside the plant cell are small organelles referred to as chloroplasts, which store the power of sunlight. Within the thylakoid membranes of the chloroplast is a light-soaking up pigment called chlorophyll, which is responsible for offering the plant its green shade. During photosynthesis, chlorophyll absorbs energy from blue- and red-light waves, and reflects green-light waves, making the plant appear green.

Light-dependent reactions vs. light-independent reactions

While tright here are many kind of steps behind the process of photosynthesis, it deserve to be broken dvery own right into 2 significant stages: light-dependent reactions and light-independent reactions. The light-dependent reactivity takes area within the thylakoid membrane and also requires a stable stream of sunlight, thus the name light-dependent reaction. The chlorophyll absorbs power from the light waves, which is converted right into chemical energy in the form of the molecules ATP and NADPH. The light-independent stage, additionally known as the Calvin Cycle, takes area in the stroma, the space in between the thylakoid membranes and the chloroplast membranes, and also does not call for light, for this reason the name light-independent reaction. During this phase, energy from the ATP and also NADPH molecules is provided to assemble carbohydprice molecules, prefer glucose, from carbon dioxide.

See more: What Does Cog Stand For In Gears Of War, What Does Gears Symbols Across Maps Mean

C3 and C4 photosynthesis

Not all develops of photosynthesis are created equal, however. Tbelow are various types of photosynthesis, including C3 photosynthesis and also C4 photosynthesis. C3 photosynthesis is used by the majority of plants. It involves producing a three-carbon compound dubbed 3-phosphoglyceric acid during the Calvin Cycle, which goes on to become glucose. C4 photosynthesis, on the various other hand, produces a four-carbon intermediate compound, which splits right into carbon dioxide and a three-carbon compound throughout the Calvin Cycle. A benefit of C4 photosynthesis is that by developing better levels of carbon, it enables plants to flourish in atmospheres without much light or water.