We have all heard about the debate about which is better for you to drink after a workout or playing sports. Is it Gatorade or is it water? To put it plainly‚ water is the better choice for hydration. I would recommend drinking water and adding Gatorade when needed to supplement your exercise routine. Whether I am right or wrong remains to be decided. Drinking water regularly offers many benefits. Water is the most important thing in our bodies. It is so important that our brains signal us to
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Plants have two separate transport systems. A network of xylem vessels transports water and mineral ions from the roots to all other parts of the plant. Phloem tubes transport food made in the leaves to all other parts of the plant. Neither of these systems has a pump‚ this is because they are not as active as animals and do not need such rapid supplies of food. Neither xylem nor phloem transports oxygen as oxygen gets to a plants cell by diffusion. Both stems and roots contain xylem vessels and
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concentration of table salt (sodium chloride) on the rate of fermentation of sucrose using yeast‚ measured in the volume of carbon dioxide gas collected over a period of 10 minutes. Research question What is the effect of concentration of table salt on rate of fermentation? Hypothesis I predict that as salt concentration is increased‚ the rate of fermentation will decrease. Yeast cells do not have a cell wall and therefore‚ due to osmosis‚ a higher salt concentration outside the yeast cells will provide
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molecules in or out of their membrane. Some require no energy to do so (passive transport) while others require energy to be processed through (active transport). There is also the transportation of water across a membrane‚ which has its own term of osmosis. Too much of something can be taken in‚ or too little enters. This especially happens to plants‚ who require water (and sun) to live. Not enough water‚ as herbalists or any plant lover will know‚ will cause the plant to wilt. However‚ why consider
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CELLS All living things are made of cells‚ and cells are the smallest units that can be alive. Life on Earth is classified into five kingdoms‚ and they each have their own characteristic kind of cell. However the biggest division is between the cells of the prokaryote kingdom (the bacteria) and those of the other four kingdoms (animals‚ plants‚ fungi and protoctista)‚ which are all eukaryotic cells. Prokaryotic cells are smaller and simpler than eukaryotic cells‚ and do not have a nucleus. Prokaryote
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cheesecloth over a container and use the cheesecloth to obtain the liquid portion (only) of your potato puree. You can squeeze the cheesecloth in the end to obtain the final portions of the liquid from the puree. - Make a 1% sucrose solution using the method describe in your osmosis lab. - Make a 1% salt solution by measuring 1 gram of salt using your scale or balance‚ add this to your graduated cylinder and then fill to the 100 ml mark. You can then transfer this mixture to a small saucepan‚ heat and
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based on the computerized simulation providing information on the passage of water and solutes through semipermeable membranes‚ which may be applied to the study of transport mechanisms in living membrane-bounded cells. We hypothesized that when the sucrose concentration will change‚ the mass will also change. Introduction: A molecular composition of a plasma membrane is selective about what can passes through it. There are two methods of transport which can occur through the plasma membrane. To
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Hemoglobin and Albumin-Globular A. Invertase- catalytic protein or enzyme that catalyzes the breakdown of sucrose sugar- mixture of fructose and glucose or inverted sugar syrup -industries and Invertase is usually denied from yeast; may also be synthesized from bees -Optimum temperature at which the catalyze rate is at its greatest is 60 o and with optimum pH of 4.5 - Sucrose -> Invertase -> glucose + fructose B. Casein- globular proteins; tend to fold back on themselves into compact
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CELL STRUCTURE CELL THEORY: Structural and functional unit of all living things New cells arise from already existing cells Cells contain information that instructs growth. This information can be passed onto new cells. MICROSCOPES: There are two main types of microscopes: Light and Electron Electron Micrographs- shown in colour LIGHT ELECTRON Uses beam of light Magnification = x1500 Resolution = 200 nm Wide range of specimens can be used Samples are fairly quick + easy to prepare
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Cited: Arai M‚ Mori H‚ Imaseki H (1992) Cloning and sequence for an intracellular acid invertase from etiolated hypocotyls of mung Plant Cell Physiol33: 245-252 Chetelat RT‚ DeVerna JW‚ Bennett AB (1995) Effects of the Lycopersicon chmielewskii sucrose accumulator gene (sucr) on fruit yield and quality parameters following introgression into tomato. Theor Appl Genet 91: 334-339 Coombe BG (1992) Research on development and ripening of the grape berry. Am J Enol Vitic 43: 101-110 Coombe BG‚ Bishop
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