solutes (iodine + H2O) than did the starch solution. So iodine move into the cell and react with starch molecules to formed starchiodine‚ the blue compound‚ with a specific rate. The test show that mean rates of diffusion are significantly different acording to the concentration. So the concentration have an impact on the rate of diffusion. Also‚ the difference between the concentration in each compartment‚ concentration gradient. We see in the Fick law that if you modulate C1-C2 you will have
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Effect of Varying Temperatures: The enzyme catalyzed reaction rate during varying incubation temperatures are plotted on Figure. 6. As the temperature increases the rate increases‚ but as the temperature reaches 49oC it begins to drop. When the plot of the logarithm of the rate is used against the inverse of the temperature kelvin’s the Arrhenius equation is used to calculate the activation energy. The range in orange is between 16.5 - 37oC and the activation energy is calculated to be 9332kcal/mol
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monetary policy rule‚ it will Answer aggressively increase inflation if the interest rate exceeds the target interest rate. aggressively increase interest rates if the inflation rate exceeds the target inflation rate. only slightly increase inflation if the interest rate exceeds the target interest rate. only slightly increase interest rates if the inflation rate exceeds the target inflation rate. During the Christmas shopping season the demand for money increases significantly
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Factors that affect exchange rates. Like any price‚ the exchange rate deviates from the cost basis - the purchasing power of currencies – under the influence of supply and demand of currency. The ratio of the supply and demand depends on several factors. It reflects connections with other economic categories - cost‚ price‚ money‚ interest‚ balance of payments‚ etc. There is a complex of interweaving and nomination of decisive factors. Among them are the following. • 1.The rate of inflation. The
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reactants. The reaction rate is slower when the reactants are large and complex molecules because it takes longer for the molecules to combine together creating a chemical reaction. More than 2000 years ago‚ Democritus‚ who was a philosopher from Greece suggested that matter is made up of tiny particles too small to be seen. He thought that if you kept cutting a substance into smaller and smaller pieces‚ you would eventually come to the smallest possible particles. The rate of a chemical reaction
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A drug is a substance which has a discernible physiological effect when taken into the body. These chemicals change the functions of the central nervous system (CNS)‚ providing temporary relief from mental‚ physical and social problems. Usage of a drug over a period of time often results in dependence and tolerance of the drug. The user experiences physical and psychological withdrawal symptoms when attempts are made to quit the drug. Tolerance refers to the increased ability of the body to tolerate
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Pulse rate During the practical while at rest the pulse is at a normal speed as the person is not doing any activity which requires lots of energy. This changes when the person starts to exercise as the line on the graph increases‚ this shows that the pulse rate is increasing because the heart is beating faster to make sure enough oxygen reaches the cells‚ this also causes the breathing to increase as the body has to take in more oxygen to supply the body and remove the carbon dioxide. In the body
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Hurricanes have made a huge impact on the world. They have impacted our environments and society. We have discovered what hurricanes do and how they occur‚ and what they are. There are 5 different categories of hurricane 5 being the worst and 1 being the least strongest. People have reacted differently to different hurricanes. One recent hurricane known as Hurricane harvey was a very deadly and one of the most destructive hurricanes in history. It ruined lives‚ homes‚ and buildings.
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Inflation and Interest Rate Interest and inflation are key to investing decisions‚ since they have a direct impact on the investment yield. When prices rise‚ the same unit of a currency is able to buy less. A sustained deterioration in the purchasing power of money is called inflation. Investors aim to preserve the value of their money by opting for investments that generate yields higher than the rate of inflation. In most developed economies‚ banks try to keep the interest rates on savings accounts
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were going to be most active at the 41ᵒC which is close to human body temperature. When we compare the enzyme in the low temperatures to the enzymes in the higher temperature we observed that the enzymes were functioning at a significantly reduced rate at the 24ᵒC temperature and was completely inactive at the 0ᵒC temperature. Whereas when we compare to the higher temperatures (60ᵒC) the enzymes should have functioned with reduced efficiency and should have even denatured which would
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