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Meghna Thapar 5 years, 9 months ago
The light-dependent reactions convert light energy into chemical energy, producing ATP and NADPH. The light-independent reactions use the ATP and NADPH from the light-dependent reactions to reduce carbon dioxide and convert the energy to the chemical bond energy in carbohydrates such as glucose.
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Twinkle? Gupta 5 years, 9 months ago
Twinkle? Gupta 5 years, 9 months ago
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Meghna Thapar 5 years, 9 months ago
All Cyanobacteria are autotrophs, having the capacity to synthesize organic carbon by reduction of inorganic carbon. Most cyanobacteria use for this synthesis light energy (photosynthesis), but a few species in specialized dark environments use instead chemical energy (chemosynthesis).
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Gaurav Seth 5 years, 9 months ago
The ethnic composition of Belgium is very complex. in that country Dutch speaking people are in majority ( 59 %), while French and German speaking are respectively 40% and 1%. The French live in the Wallonia region and the Dutch lives in flemish region. While this is the case in the country, the capital, Brussels has French speaking people as the majority ( 80%) and Dutch 20%.
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Yogita Ingle 5 years, 9 months ago
Qualitative analysis is the analysis of the species present in a given compound. For example, if a compound is taken, the qualitative analysis would be more focused on finding the elements and the ions present in the compound rather than study as to how much they are present.
Posted by Nayan Kumar 5 years, 9 months ago
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Yogita Ingle 5 years, 9 months ago
Skeletal chemical equation: A chemical equation which simply represents the symbols and formulas of reactants and products taking part in the reaction is known as skeletal chemical equation for a reaction.
For example: For the burning of Magnesium in the air, Mg + O2 → MgO is the skeletal equation.
Posted by Bharanidharan Nedunchezhian 5 years, 9 months ago
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Meghna Thapar 5 years, 9 months ago
Working of Human blood circulatory system takes place in the steps below:
(i) When the muscles of all the four chambers are relaxed, the pulmonary vein brings the oxygenated blood from the lungs in the left atrium of the heart.
(ii) When the left atrium contracts, the oxygenated blood is pushed into the left ventricle through valve V1.
(iii) When the left ventricle contracts, the oxygenated blood enters the main artery called aorta from which it goes to the different body organs through small branches called arterioles and capillaries.
(iv) The main artery carries the blood to all the organs of the body head, arms etc except the lungs. The oxygenated blood gives off oxygen, digested food and dissolved materials to the body cells. The carbon dioxide produced in the cells enters the blood. The deoxygenated blood enters main vein called vena cava which carried it to the right atrium of the heart.
(v) When the right atrium contracts, the deoxygenated blood enters right ventricle through valve V2.
(vi) When the right ventricle contracts, the deoxygenated blood enters the lungs through pulmonary artery and releases carbon dioxide and absorbs fresh oxygen from air. The blood becomes oxygenated again and is sent to the left atrium of heart by pulmonary vein for circulation in the body. This whole process is repeated continuously.

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