Topic 8: Cell respiration and Photosynthesis 8.1 Cell respiration 8.1.1 State that oxidation involves the loss of electrons from an element‚ whereas reduction involves a gain of electrons; and that oxidation frequently involves gaining oxygen or losing hydrogen‚ whereas reduction frequently involves losing oxygen or gaining hydrogen Oxidation involves the loss of electrons from an element‚ whereas reduction involves a gain of electrons; and that oxidation frequently involves gaining oxygen
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Photosynthesis is a process through which plants and some certain types of bacteria get energy from the sun’s UV-rays and use it to create and store sugar that is transformed into ATP by cellular respiration later on in the process. In plants‚ this process takes place in chloroplasts‚ which concentrate in the mesophyll cells‚ with the help of chlorophyll‚ the green pigment‚ which is directly involved in photosynthesis. It is important to understand that we see leaves green simply because the green
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Solar energy is argued to be the most sustainable type of energy there is‚ but some argue that it isn’t actually as sustainable as others would like to believe. The reason for this is‚ like with the wind energy‚ manufacturing the solar panels has some reports call ‘environmental downsides’. However‚ it is also considered to be one of the most sustainable energy types because it has two forms – light and heat‚ both of which are important to us and the wildlife surrounding us. Plants need the light
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Market Analysis Opportunities India had an installed solar power capacity of 1700 MW in 2007 which amounted to roughly 1% of its total power generation of 130‚000 MW. India is currently ranked 7th in the world in Solar PV cell production. But considering India’s geographic location and climatic conditions‚ this is a huge market waiting to be tapped. India receives bright sunlight almost throughout the year especially in West and Central parts of the country. Due to global warming and rising CO2
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My conclusion is that the higher salt concentration in the solution the greater the decrease in mass of the potato will be‚ the graph I have drawn supports my conclusion. The 10% salt concentration shows that on average the potato loses 2.6% of its overall mass. 20% salt concentration shows a further decrease in mass this time it is an average of 13% overall mass decrease. 30% salt concentration shows an average decrease of 18.8% in overall mass. The 0% salt concentration actually shows a mass increase
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Associate Program Material Cell Energy Worksheet Answer the following questions: Cellular respiration: • What is cellular respiration and what are its three stages? Cellular respiration is the set of the metabolic reactions and processes that take place in the cells of organisms to convert biochemical energy from nutrients into adenosine triphosphate (ATP)‚ and then release waste products. The reactions involved in respiration are catabolic reactions that involve the redox reaction
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Why Do We Need Solar Energy? With the world’s natural resources depleting rapidly‚ humans must find a way to compensate. This society has milked oil‚ coal‚ gasoline‚ lead‚ uranium‚ and many other of these reservoirs in our Earth for hundreds of years and much has been done. Asphalt was used for our roads and highways‚ coal was originally used for heat before there was oil‚ and even water was used as a form of electricity on many rural farms. Luckily‚ more companies around the world are waking
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Conclusion This lab was intended to model cell size and discover why cells divide. It was proposed that cells divide because of combustion. This is not the case as it is not what was looked at in the experiment. Surface area of an object was compared to its volume and weight in this experiment. It was discovered that as volume increased the surface area to volume ratio decreased as did the surface area to weight ratio. In this experiment cubes were studied as a model for cells which have
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effect of differing wavelengths of visible light on the photosynthetic activity of Beta vulgaris Introduction Photosynthesis is a crucial biological process that occurs within the chloroplasts of plant cells where CO2 + H2O + Sunlight C6H12O6 + O2. The chloroplasts use light‚ an electromagnetic energy source‚ to produce food for the plant in the form of sugar molecules. During photosynthesis‚ the excited electrons from the light pass through proteins in the electron transport chain (ETC)‚ where ATP
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Photosynthesis By Sofie Inwood Aim: To determine whether chlorophyll and light is necessary for starch formation. Hypothesis: Chlorophyll and light are both necessary for starch formation. Materials: * 600mL beaker * Access to water * Safety glasses * Bunsen burner * Tripod * Gauze mat * A large white evaporating dish * Scissors and forceps | * Glass stirring rod * Test tube rack * Test-tube (30mm x 180mm) * Methylated spirits * Iodine solution * 100mL
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