photosynthesis are essentially the same process in reverse. During photosynthesis CO2 and H2O are converted to glucose and oxygen‚ while cellular respiration uses glucose and oxygen which are converted to CO2 and H20. Plants utilize molecules of chlorophyll which harness energy from the sun. That energy is used to break the bonds in water molecules producing hydrogen and expelling oxygen as a byproduct. Atmospheric C02 is absorbed by the plant through its pores‚ and is then combined with the hydrogen
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activity that is poisonous to cells. Catalase speeds up the decomposition of hydrogen peroxide into harmless water and oxygen gas. The purpose of this lab was to determine whether an inhibitor affects the rate of activity for the enzyme catalase. Since catalase speeds up the production of oxygen gas‚ the rate of enzyme activity can be measured as the height of the column of oxygen gas bubbles produced in a test tube. If copper sulfate inhibits the action of catalase‚ then it will slow down the reaction
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the respiratory system and the cardiovascular system and how they work in the metabolism of energy in the body. The respiratory system The respiration system is the process of supplying oxygen to the cells so that cells can metabolise energy. The main functions of the respiratory system are to maintain oxygen supply to cells‚ to remove water from the body‚ and to remove carbon dioxide from the body. It is divided into four sections‚ three of which are under the ‘external respiration’. These are
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rubber stopper with water thoroughly. I then began the oxygen portion of the experiment where I placed some Mn into a test tube. I added some hydrogen peroxide and filled to nearly the top. I placed the rubber stopper with gas delivery system and put into the well plate in a straight postion. I filled the pipet with water and once again inverted it and placed in on top of the gas delivery system. I then watched as it became displaced with oxygen and removed it placed my thumb over it so it wouldn’t
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consisting of three oxygen atoms. It is an allotrope of oxygen. Ozone is formed when oxygen molecules after absorbing ultra violet photon then converts a single O2 into two atomic oxygen radicals. The atomic radicals then combine with separate O2 molecules to create two O3 molecules. The main function of the ozone layer is to absorb harmful ultraviolet radiation. These ozone molecules absorb UV light‚ following which ozone splits into a molecule of O2 and an oxygen atom. The oxygen atom then joins up
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A variable portion of the oxygen produced from each leaf disc was floating to the surface instead of staying attached to the leaf disc it was produced from. If the oxygen produced via photosynthesis is lost in the sodium bicarbonate solution‚ it will not be contributing to the force pushing the leaf disc to the surface of the sodium bicarbonate solution
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beans : From the above formula of RQ‚ we can calculate the amount Oxygen consumed‚ from gradient of the graph of mung beans with soda lime. Soda lime is known to absorb carbon dioxide‚ therefore the carbon dioxide that was released during the respiration process would be absorbed by the soda lime‚ leaving the oxygen hence the value of oxygen consumed can be determined and so to get the numerical value of the oxygen consumed‚the gradient function of the Logger pro was used as shown in
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Seventy-five % of the Earth is covered in water providing an environment for organisms to live in. the water molecule is made up of two hydrogen atoms and one oxygen atom. As oxygen atoms are more electronegative that hydrogen atoms the electrons shared covalently between the oxygen and the hydrogen atoms tend to spend more time near the oxygen atom making it partially negative and making the hydrogen atoms partially positive. The partial charges in the water molecule allow it to form weak or hydrogen
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the photosynthetic process uses water and releases the oxygen. Cellular respiration allows organisms to use (release) in the chemical bonds of glucose(C6H12O6). The energy in glucose is used to produce ATP. Cells use ATP to supply their energy needs. Cellular respiration is therefore a process in which the energy in glucose is transferred to ATP. In respiration‚ glucose is transferred to ATP. Oxidized and thus releases energy. Oxygen is reduced to form water. In Photosynthesis‚ plants
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chief and most important which is very instrumental for survival. Prime function of the respiratory system is breathing. Inhaling oxygen and exhaling carbon dioxide is all that takes plays by function of the respiratory organs. Breathing is a process by which oxygen in the air is brought in to the lungs and further in to close contact with blood. The blood absorbs the oxygen and carries to all parts of the body. Simultaneously blood gives up waste matter in form of carbon dioxide through lungs to carry
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