Photosynthesis / 張永華 - 411616252

By wilsoncolin26 | Updated: Sept. 23, 2024, 8:11 p.m.

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Topic : Photosynthesis
WHAT IS PHOTOSYNTHESIS ?
 is the process by which plants, algae, and some bacteria convert light energy from the sun into chemical energy that can be used to fuel their growth and metabolism. It is one of the most important biological processes on Earth, as it is the primary source of energy for most living organisms.
Photosynthesis
 During photosynthesis, plants and other photosynthetic organisms use chlorophyll and other pigments to capture sunlight and convert it into chemical energy in the form of glucose and other organic molecules. This process takes place in specialized organelles called chloroplasts, which are found in the leaves and other green parts of plants.
Factors that influence the rate of photosynthesis ?
The rate of photosynthesis is defined in terms of the rate of oxygen production either per unit mass (or area) of green plant tissues or per unit weight of total chlorophyll. The amount of light, the carbon dioxide supply, temperature, water supply, and the availability of minerals are the most important environmental factors that affect the rate of photosynthesis in land plants. The rate of photosynthesis is also determined by the plant species and its physiological state—e.g., its health, its maturity, and whether it is in flower.

CARBON DIOXIDE LEVELS AND PHOTORESPIRATION CARBON ?
As carbon dioxide concentrations rise, the rate at which sugars are made by the light-independent reactions increases until limited by other factors. RuBisCO, the enzyme that captures carbon dioxide in the light-independent reactions, has a binding affinity for both carbon dioxide and oxygen. When the concentration of carbon dioxide is high, RuBisCO will fix carbon dioxide. However, if the carbon dioxide concentration is low, RuBisCO will bind oxygen instead of carbon dioxide. This process, called photorespiration, uses energy, but does not produce sugars.
 CARBON DIOXIDE LEVELS AND PHOTORESPIRATION CARBON ?
the equation for photosynthesis
6CO2 + 6H2O + light energy → C6H12O6 + 6O2

FOR THE EQUATION
carbon dioxide (CO2) and water (H2O) are converted into glucose (C6H12O6) and oxygen gas (O2) in the presence of light energy. Photosynthesis is not only important for the survival of plants and other photosynthetic organisms, but it also plays a critical role in maintaining the balance of gases in the Earth's atmosphere. Through photosynthesis, plants and other organisms remove carbon dioxide from the atmosphere and release oxygen, helping to regulate the global climate.
SUMMARY
carbon dioxide (CO2) and water (H2O) are converted into glucose (C6H12O6) and oxygen gas (O2) in the presence of light energy. Photosynthesis is not only important for the survival of plants and other photosynthetic organisms, but it also plays a critical role in maintaining the balance of gases in the Earth's atmosphere. Through photosynthesis, plants and other organisms remove carbon dioxide from the atmosphere and release oxygen, helping to regulate the global climate.
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Photosynthesis / 張永華 - 411616252

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