1.A) Two main forms of cells exist: eukaryotic cells and prokaryotic cells. Prokaryotic cells are smaller and do not have membrane-bound nucleus or membrane- bound organelles‚ but do have: plasma membrane‚ cytosol and cytoplasm‚ and ribosomes. Prokaryotes contain much less DNA than eukaryotes and have circular chromosomes. Eukaryotic cells have information processing organelles‚ such as the nucleus which houses most of the cell’s DNA‚ and ribosomes which use information from DNA to produce proteins
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list of items‚ both tangible and non tangible‚ that trees give us. First of all‚ as we all know‚ trees are the most important and the only natural source of oxygen in the atmosphere. Without oxygen[->0]‚ life is not possible on earth. Trees consume the carbon dioxide[->1] from the environment and give out oxygen which balances the amount of oxygen and carbon dioxide[->2] in the atmosphere. In addition to this‚ the wood that we obtain from trees is used in making paper‚ building houses‚ making furniture[->3]
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Water has importance inside cells and externally. This may be because it has interesting chemical and physical properties; it can be found naturally in all three of its states. However its molecules are bonded together by hydrogen bonds‚ this raises its melting and boiling points‚ i.e. its boiling point would be -120¢ªC rather than 100¢ªC. Also because it contains slightly negatively charged oxygen atoms and slightly positively charged hydrogen atoms making it polar. <br> <br>Water has been called
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ingest. Genetically modified organisms are seen as being either unnatural and detrimental‚ or beneficial and healthier. Genetically modified organisms can be found in the majority of food products and crops. Genetic alteration in crops is when scientists clip a gene from the DNA of one plant and splice it into the DNA of another. (Smith 2). This alteration is what causes the characteristics in plants to be changed. The market for genetically modified organisms has increased dramatically with
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Renewable Energy Summary Renewable energy flows involve natural phenomena such as sunlight‚ wind‚ tides‚ plant growth (biomess) and geothermal heat. According to the International Energy Agency (2002)‚ “Renewable energy is derived from natural processes that are replenished constantly. In its various forms‚ it derives directly from sun‚ or from heat generated deep within the earth. Included in the definition is electricity and heat generated from solar‚ wind‚ ocean‚ hydropower‚ biomass‚ geothermal
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Prep Activity for Public Law Workshop 1 ‘The absence of a written constitution … enables constitutional change to be brought about within the United Kingdom with the minimum of constitutional formality’ (Hilaire Barnett‚ Constitutional and Administrative Law 2011) Intro Whilst not completely‚ I largely agree with the statement posed in the question. Define Constitution Ultimately‚ the UK has an uncodified Constitution‚ derived from a number of sources‚ but revolves around the principle of
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Biological Molecule |Atoms it Contains |Monomer(s) |Function(s) in Living Organisms | |Carbohydrates |C‚ H‚ and O |Monosaccharides |Source of energy | |Lipid |C‚ H‚ ‚and O |Glycerol and fatty acids |Cushion and insulate organs; builds cell | | | | |membranes
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Respiration: How Cells Harvest Chemical Energy 1. A cell must work just to maintain its complex structure‚ for order is intrinsically unstable. Because of entropy (the second law of thermodynamics)‚ which states that any enclosed system tends toward disorganization‚ cells must constantly use energy to keep themselves in order. If the cell was to stop using energy and let itself go then it would eventually get so disorganized that it wouldn’t function properly. 2. With the help of enzymes‚ the cell systematically
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In bio lab‚ my lab partners and I did a lab experiment involving yeast fermentation. Fermentation is an anaerobic process to regenerate NAD+ to keep glycolysis active. Yeast preforms ethanol fermentation which create ethanol and NAD+. The class used six different types of sugars to determine which fuels fermentation by measuring the amount the carbon dioxide bubbles produced by the yeast. Yeast are single-cell fungi that cannot make their own food. They take the sugars in the surrounding environment
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The Observation of organism in a drop of pond water (Paramecium) under LPO and HPO Compound Microscope Doreenda A. Sabao BS Biology I-A .Lab 1 August 01‚ 2013 INTODUCTION A pond is a body of freshwater smaller than a lake. Ponds are naturally formed by a depression in the ground filling and retaining water. Streams or spring water is usually fed into these bodies. They can also be man-made ponds which can be created by damming a stream‚ digging a hole. Ponds are usually
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