in water by diffusion. What is the importance of this process in nature ? Carbon-di-oxide and Oxygen are the two atmospheric gases‚ that can diffuse in water. Oxygen is helpful for the animals inside the water and CO2 is helpful for plants in the water The oxygen from lungs diffuses into the blood stream‚ and reaches our cells. Fishes are able breathe under water due to diffusion of dissolved oxygen in water‚ in their lungs. Q-18 Why do gases have neither fixed shape nor fixed volume ? for
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discovered in dark ocean depths which rely on the energy provided by chemical substances spewed out by small volcanic vents. This is an example of a unique biological process of unusual energy conversion called chemosynthesis. But unlike carbon dioxide‚ oxygen‚ or water‚ energy does not cycle in biological systems. It is gradually lost as heat as the chemical bonds of the plant biomass are broken and reformed in animal biomass.
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we need for our growth and survival. Trees play a critical role in purifying the air that we breathe. Human beings and the other animals breathe in oxygen and emit carbon dioxide. In order to ensure that there is enough oxygen in the atmosphere‚ trees take up the emitted carbon dioxide and purify it oxygen. This cycle ensures that there is enough oxygen in the atmosphere at all the times. However‚ what people may not know is that we have to maintain the environment that we live in order to make sure
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How has a process in nature been used as a medical intervention? The process in nature is the chemical in fireflies that causes them to light up. It’s being used as a medical intervention by using them to directly measure energy levels inside our living hearts. What does the level of ATP tell scientists about the functioning of the heart? What the level of ATP says about the function of the heart is that high levels of ATP indicate a high level of O2 constant function and need for O2. What are
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for the oxygen molecule consists of two equal masses connected by a light spring . The atoms oscillate along their lines of centre while the midpoint of the spring remains fixed. i) Write down an expression for the frequency of oscillation of one oxygen atom in terms of its mass m and the force constant K of one half of the spring. How is K related to the force constant k of the whole spring?[the force constant is the force per unit extension.] ii)From spectroscopic measurements of oxygen molecules
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A) Photosynthesis space is a process in which the energy from light is used to produce carbohydrates. Aside from using light energy‚ photosynthesis includes carbon the oxide and water. A1) In order to generate energy aerobic respiration requires oxygen‚ although fats and proteins and carbohydrates can be consumed and processed as reactant‚ is the usual method of breaking down in glycolysis and usually requires the pyruvate to enter the mitochondrion to be oxidized by the Krebs cycle. The final product
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dioxide as reactants to produce glucose and oxygen where as cellular respiration uses glucose and molecular oxygen as reactants to produce water‚ carbon dioxide‚ and energy (ATP). Photosynthesis is a two part process which includes photophosphorylation (light reactions) and carbon fixation (dark reactions). Sunlight in the form of light energy is used to fuel the photophosphorylation process where 2 water molecules break down into 4 H+ ions‚ 1 oxygen molecule‚ and 4 electrons. These excited electrons
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denature proteins. Oxygen concentration: The paradoxical nature can be both toxic and essential to life. Obligate Aerobes rely on aerobic respiration for ATP and they use oxygen as the terminal electron transport chain. Microaerophilic require O2 from growth but they are damaged by normal atmospheric levels of oxygen and don’t have efficient ways to neutralize the toxic forms of oxygen such as superoxide ad hydrogen peroxide. Obligate anaerobes will die in the presence of oxygen because they lack
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For the purpose of this essay the Kolb’s model of reflection (1984) has been chosen as a guide to reflect on administration of oxygen therapy. Administration of oxygen therapy is the aspect of nursing practice that I selected as a result of completing the case-based learning scenarios. I will explain how the administration of oxygen therapy can have an effect on a patient’s activities of daily living (ADL)‚ including some of the psychological and ethical issues. Breathing is the selected ADL that
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aquatic environments‚ but the effects of fresh and salt water are important to organisms | Oxygen availability | Oxygen is freely available in air and diffusion is rapid. Air contains about 20% oxygen and 0.03% carbon dioxide. The remainder is mostly nitrogen | Air availability in water is high and depends on the temperature. Diffusion is slower. More gases can be dissolved at lower temperatures. Oxygen Concentration also decreases with depth. | Nutrients | | | Temperature variation | Surface
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