human digestive system. (Total 4 marks) 3. Describe the role of enzymes in the process of digestion of proteins‚ carbohydrates and lipids in humans. (Total 6 marks) 4. Draw a labelled diagram of the digestive system. (Total 5 marks) 5. State the sources‚ substrate‚ product‚ and optimum pH conditions for the enzyme amylase. (Total 4 marks) 6. Describe the role of enzymes in digestion with reference to two named examples. (Total 5 marks) 7. What sequence of organs do substances
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Respiration‚ digestion and rocks Respiration Respiration is a chemical reaction that happens in all living cells. It is the way that energy is released from glucose‚ for our cells to use to keep us functioning. Remember that respiration is not the same as breathing (which is properly called ventilation). The glucose and oxygen react together in the cells to produce carbon dioxide and water. The reaction is called aerobic respiration because oxygen from the air is needed for it to work. Digestion
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Abstract The main two reasons for the companies to implement variable pay plan are: motivating employees and reducing cost. In this paper we try to point out the challenges the organizations might face when they apply variable pay system by reviewing related literature. We find that it is difficult for the company to have a reliable measure for the variable pay system. In addition‚ the focus of the variable pay plan should be on motivating employees or cutting cost and how to strike a balance between
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What exactly is happiness and what can create it? Though it is defined as the condition of being content‚ different people may have their own ideas of happiness. It is a state of well being characterized by emotions ranging from contentment to intense joy. Happiness is a pleasant feeling that is beneficial and yet also intangible and elusive. This elusiveness may come from the fact that some people have the wrong idea of happiness. They believe that the transitory things they seek after‚ such as
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As an independent teenager‚ I would say that I can do anything I want. I can precede living ordinarily without any disturbance and obstacle. But there are certain things that I can’t live without it. In the other word‚ my day will be ruined and fidget if I lost or missed the thing. One example of the thing I can’t live without is my Nikon D90. It is a Digital SLR camera. The camera brings me a lot of memories and sentimental value. I bought it by myself using my very own money and effort. It cost
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Anaerobic digestion Anaerobic digestion is a series of processes in which microorganisms break down biodegradable material in the absence of oxygen‚ used for industrial or domestic purposes to manage waste and/or to release energy. The digestion process begins with bacterial hydrolysis of the input materials in order to break down insoluble organic polymers such as carbohydrates and make them available for other bacteria. Acidogenic bacteria then convert the sugars and amino acids into carbon dioxide
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Lipid Digestion The process of mastication is our only conscious act in the digestion of the foods we consume. After that‚ it’s out of sight‚ out of mind; but should it be? What does it take to transform that last swallow into the energy our body needs to sustain itself? In the case of lipid digestion‚ the real magic occurs throughout the gastrointestinal tract with a synergistic collaboration from the accessory organs: the liver‚ gallbladder and pancreas. Understanding the whole process of digestion
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Digestion is a process in which the food that we eat is broken down into tiny nutrients to be taken in by the body. Within the human digestive system‚ chemical and physical reactions occur that allow for the digestion and the absorption of proteins into the bloodstream. The purpose of this paper is to show how chemistry relates to the daily functions within the body. There are two types of digestion processes‚ which are called mechanical and chemical digestion. Mechanical digestion includes the
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Global Variables This writing assignment will focus on global variables. A global variable is a variable every module in a program can see‚ meaning that the entire program is its scope (Gaddis‚ 2010). There are both advantages and disadvantages to using global variables and it is my intention to explore some of them here‚ starting with the disadvantages. There seems to be a lot to be said about the disadvantages of using global variables. First and foremost the scope itself can be a disadvantage
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sentence is a sentence structure that contains one independent clause and no dependent clauses. Examples 1. The singer bowed. This simple sentence has one independent clause which contains one subject‚ singer‚ and one predicate‚ bowed. 2. The baby cried. This simple sentence has one independent clause which contains one subject‚ baby‚ and one predicate‚ cried. 3. The girl ran into her bedroom. This simple sentence has one independent clause which contains one subject‚ girl‚ and one
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