photosynthesis rate from volume of oxygen produced per gram leaf per minute to mol CO2 fixed per area of leaf (in m2) per second. B. Why would one want to express photosynthesis rate as µmol CO2 m-2 s-1? What is the advantage. Answers: A. How to convert photosynthesis rate from volume of oxygen produced per gram leaf per minute to mol CO2 fixed per area of leaf (in m2) per second. Photosynthesis rate can be measured either by seeing how much oxygen is produced by a leaf‚ or how much
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process; an experimental setup was designed and built; the setup is endowed with modern instruments: oxygen meter‚ manometer‚ thermometer‚ all of them having digital display. The results of the experimental measurements will indicate the most favorable generator architecture from the point of view of the increase of concentration of oxygen dissolved in water. Keywords: oxygen meter‚ fine bubble generator‚ oxygen dissolved in water Rezumat. În lucrare se prezintă două tipuri de generatoare de bule fine care
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mitochondria‚ the biochemical reaction‚ respiration takes place. The balanced formula for respiration is C6H12O6 + 6 H2O à 6 H2O + 6 O2 + E‚ the catalyst being enzymes. Respiration is when oxygen is consumed as a reactant along with the organic fuel. In order for the process take place‚ food must be available‚ along with oxygen. The first two stages occur due to glycolysis and the Kreb’s Cycle. These processes decompose glucose and other organic fuels. Glycolysis‚ which occurs in the cytosol‚ begins breaking
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by total volume. H. The clinical finding of 90% oxygen saturation level and a Po2 of mmHg would show that the arteries are having too much oxygen‚ since a normal Po2 of a resting person is 40 mmHg and exercises lower Po2 levels. A normal resting oxygen level should be about 94% with no added Oxygen. I. Cari’s symptom of “panting like a dog” is due to the lack of oxygen and reduces oxygen exchange at her tissues. J. The oxygen carrying capacity of hemoglobin with rising Pco2 will
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Cellular respiration a process in which sugar and oxygen are used to produce adenosine triphosphate (ATP)‚ water‚ and carbon dioxide. The chemical equation for this reaction is C6H12O6 + 6O2 → 6CO2 + 6H2O + Energy (ATP). Cellular respiration occurs in 4 steps: Glycolysis‚ the preparatory reaction‚ the Krebs Cycle‚ and the oxidative phosphorylation. Glycolysis occurs in the cytoplasm of the cell‚ in this process glucose is broken into two 3 Carbon molecules called pyruvates. The preparatory reaction
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nitrate concentration and nitrite concentration were still below the limit‚ which were 10 mg/l and 1 mg/l for nitrates and nitrites respectively. Nitrification occurred in the water in the pH range of 8 to 9 at temperature range of 20 -25 oC‚ Dissolve oxygen and suitable bacteria. Therefore‚ the concentration of nitrite will be increased though nitrification. The ammonia‚ also below the acceptable limit of 0.5 mg/l‚ however it is not suitable for drinking because drinking solution contain ammonia cause
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Graph 4 shows a positive correlation between volume of oxygen and the increase of hydrogen peroxide; as the amount of substrate increases‚ the more oxygen is produced from the enzymatic reaction of hydrogen peroxide. For example‚ when five drops of hydrogen peroxide was added‚ it can be seen that 16.2mL of oxygen collected in the gas syringe‚ whilst when 15 drops were added‚ 96.4mL of oxygen was indicated‚ strongly supporting the original hypothesis‚ which was that as more hydrogen peroxide was added
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Introduction Like many other water plants‚ Cabomba has specialised tissue called aerenchyma that allows gases to diffuse inside the plant. Aerenchyma provide buoyancy and allows oxygen transport to the submerged roots that may otherwise be in hypoxic (low oxygen) conditions. If you cut through the aerenchyma‚ oxygen can escape. This can be made use of this in the classroom to show how the rate of photosynthesis is affected by light intensity or by the colour of light reaching the plant. Don’t
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pigment that collects lights‚ consumes radiant energy from the sun. Therefore‚ this energy is then used to separate water molecules into hydrogen and oxygen atoms. Then‚ oxygen is released into the atmosphere. While‚ hydrogen and carbon dioxide collected from the plant are then transformed
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profile Received: 20 September 2002 / Revised: 3 December 2002 / Accepted: 6 December 2002 / Published online: 26 February 2003 Springer-Verlag 2003 Abstract In this study‚ the advantage of a novel measuring device for the online determination of oxygen and carbon dioxide transfer rates in shaking-flasks is reported for glucose oxidation by Gluconobacter oxydans. In this fermentation process‚ this device was used for the characterization of the oxidation pattern of different strains. G. oxydans
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