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The process of constructive metabolism by which carbohydrates are formed from water vapor and the carbon dioxide of the air in the chlorophyll-containing tissues of plants exposed to the action of light. It was formerly called assimilation, but this is now commonly used as in animal physiology. The details of the process are not yet clearly known. Baeyer's theory is that the carbon dioxide is reduced to carbon monoxide, which, uniting with the hydrogen of the water in the cell, produces formaldehyde, the latter forming various sugars through polymerization. Vines suggests that the carbohydrates are secretion products of the chloroplasts, derived from decomposition of previously formed proteids. The food substances are usually quickly translocated, those that accumulate being changed to starch, which appears in the cells almost simultaneously with the sugars. The chloroplasts perform photosynthesis only in light and within a certain range of temperature, varying according to climate. This is the only way in which a plant is able to organize carbohydrates. All plants without a chlorophyll apparatus, as the fungi, must be parasitic or saprophytic. --Photo*syn*thet"ic (#), a. -- Photosynthet"ically (#), adv.

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Pete Williamson

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6y ago

A process of plants and certain protists form carbohydrates from carbon dioxide and water in the presence of light

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Q: What is the definition of photosynthesis?
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What plants have to start photosynthesis?

By definition, all plants have to use photosynthesis. This begins once light reaches the plant.


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No. Refried beans are by definition cooked. Once beans have been cooked, they cease to be alive. Besides, photosynthesis took place in the plant's leaves, not in the beans.


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By definition, they all have the things that make them plants. They all have cell walls, and all use photosynthesis.


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What is the definition of thylokoid?

First, you spelled it incorrectly. It's Thylakoid. Second, a thylakoid is a membrane-bound compartment inside chloroplasts and cyanobacteria. They are the site of the light-dependent reactions of photosynthesis. Children definition, a folded membrane within plant chloroplasts from which grana are made, used in photosynthesis. Grana is a synonym for thylokoid.


What is an example of a frayer model?

An example of a Frayer model could be for the word "photosynthesis." The model would include the word in the center, with sections for definition, characteristics, examples, and non-examples surrounding it. The definition section could explain that photosynthesis is the process by which plants use sunlight to convert water and carbon dioxide into oxygen and glucose.


What plants are involved in photosynthesis?

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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.


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No mold does not go though photosynthesis because it does not contain chlorophyll. Hence lacking the green color.