- DictionaryPho·to·syn·the·sis/ˌfōdəˈsinTHəsəs/
noun
- 1. 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: "during photosynthesis plants absorb CO₂"
Jul 15, 2022 · Encyclopedic Entry. Vocabulary. Most life on Earth depends on photosynthesis .The process is carried out by plants, algae, and some types of bacteria, which capture energy from sunlight to produce oxygen (O2) and chemical energy stored in glucose (a sugar). Herbivores then obtain this energy by eating plants, and carnivores obtain it by eating ...
May 15, 2023 · photosynthesis, the process by which green plants and certain other organisms transform light energy into chemical energy. During photosynthesis in green plants, light energy is captured and used to convert water, carbon dioxide, and minerals into oxygen and energy-rich organic compounds.
- Why is photosynthesis important?Photosynthesis is critical for the existence of the vast majority of life on Earth. It is the way in which virtually all energy in the biosphere be...
- What is the basic formula for photosynthesis?The process of photosynthesis is commonly written as: 6CO2 + 6H2O → C6H12O6 + 6O2. This means that the reactants, six carbon dioxide molecules and...
- Which organisms can photosynthesize?The ability to photosynthesize is found in both eukaryotic and prokaryotic organisms. The most well-known examples are plants, as all but a very fe...
3 days ago · Photosynthesis is a process used by plants and other organisms to convert light energy into chemical energy that, through cellular respiration, can later be released to fuel the organism's activities. Some of this chemical energy is stored in carbohydrate molecules, such as sugars and starches, which are synthesized from carbon dioxide and ...
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- Types of Photosynthetic Processes
- The Photosynthesis Equation
- How Is Carbon Dioxide and Oxygen exchanged?
- How Do Plants Absorb Sunlight For photosynthesis?
- Where in The Plant Does Photosynthesis Take place?
- Light-Dependent Reactions
- Light-Independent Reactions: The Calvin Cycle
- Types of Photosynthesis
There are two types of photosynthesis: oxygenic and anoxygenic. They both follow very similar principles, but the former is the most common and is seen in plants, algae and cyanobacteria. During oxygenic photosynthesis, light energy transfers electrons from water (H2O) taken up by plant roots to CO2 to produce carbohydrates. In this transfer, the C...
Though both types of photosynthesis are complex, multistep affairs, the overall process can be neatly summarized as a chemical equation. The oxygenic photosynthesis equation is: 6CO2 + 12H2O + Light Energy → C6H12O6 + 6O2 + 6H2O Here, six molecules of carbon dioxide (CO2) combine with 12 molecules of water (H2O) using light energy. The end result i...
Plants absorb CO2 from the surrounding air and release water and oxygen via microscopic pores on their leaves called stomata. When stomata open, they let in CO2; however, while open, the stomata release oxygen and let water vapor escape. Stomata close to prevent water loss, but that means the plant can no longer gain CO2 for photosynthesis. This tr...
Plants contain special pigments that absorb the light energy needed for photosynthesis. Chlorophyll is the primary pigment used for photosynthesis and gives plants their green color, according to science education site Nature Education. Chlorophyll absorbs red and blue light and reflects green light. Chlorophyll is a large molecule and takes a lot ...
Photosynthesis occurs in chloroplasts, a type of plastid (an organelle with a membrane) that contains chlorophyll and is primarily found in plant leaves. Chloroplasts are similar to mitochondria, the energy powerhouses of cells, in that they have their own genome, or collection of genes, contained within circular DNA. These genes encode proteinstha...
When a photon of light hits the reaction center, a pigment molecule such as chlorophyll releases an electron. The released electron escapes through a series of protein complexes linked together, known as an electron transport chain. As it moves through the chain, it generates the energy to produce ATP (adenosine triphosphate, a source of chemical e...
The Calvin cycle is the three-step process that generates sugars for the plant, and is named after Melvin Calvin, the Nobel Prize-winning scientist who discovered it decades ago. The Calvin cycle uses the ATP and NADPH produced in chlorophyll to generate carbohydrates. It takes plate in the plant stroma, the inner space in chloroplasts. In the firs...
There are three main types of photosynthetic pathways: C3, C4 and CAM. They all produce sugars from CO2 using the Calvin cycle, but each pathway is slightly different.
Jul 30, 2017 · Photosynthesis Equation. 6 CO 2 + 6 H 2 O + Light -> C 6 H 12 O 6 + 6 O 2 + 6 H 2 O. Above is the overall reaction for photosynthesis. Using the energy from light and the hydrogens and electrons from water, the plant combines the carbons found in carbon dioxide into more complex molecules. While a 3-carbon molecule is the direct result of ...
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- Photosynthesis
Biological process to convert light into chemical energy
Photosynthesis is a process used by plants and other organisms to convert light energy into chemical energy that, through cellular respiration, can later be released to fuel the organism's activities. Some of this chemical energy is stored in carbohydrate molecules, such as sugars and starches, which are synthesized from carbon dioxide and water – hence the name photosynthesis, from the Greek phōs... Wikipedia
