Undergraduate Questions (50 Pts) 1. (4 pts) A chemist working in a pharmaceutical lab synthesized a new drug as a racemic mixture. Why is it important that she separates the two enantiomers and test each for its biological activity? 2. (6 pts) Phosphoric acid (H3PO4) has three dissociable protons‚ with the pKa’s shown below. Which form of phosphoric acid predominates in a solution at pH 4? Explain your answer. Acid pKa H3PO4 2.14
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FUCTIONING AND FOOD SOURCES MACRONUTIRENTS Protein: Growth and repair. Good source of energy meat and eggs Carbohydrates: Main source of energy for body. Fuel for energy bread‚ pasta Fats and Lipids: Assists in absorption and transport of fat soluble vitamins‚ provides insulation for the body cake‚ sugar Monounsaturated and Polysaturated are good fats avocado Saturated and Trans fats are bad fats oil deep fried food Fibre: Regulate the functioning of the digestive system- healthy
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Effect of Protein Intake on Strength‚ Body Composition and Endocrine Changes in Strength/Power Athletes Introduction: Proteins are often called the building blocks of the body. Protein consists of combinations of structures called amino acids that combine in various ways to make muscles‚ bone‚ tendons‚ skin‚ hair‚ and other tissues. They serve other functions as well including nutrient transportation and enzyme production. Adequate‚ regular protein intake is essential because it isn’t easily
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Saturated fat is frequently consumed in the Modern western diet and is highly abundant in places such as meat and dairy products. Research (5) analyze the existing controversy on whether consuming saturated fat is beneficial or not. Present (2) studies contribute to the discrepancy because they don’t consider the variation saturated fatty acids (SFA) have on individual people. Factors that contribute to the differences are genes‚ diet nutrients‚ obesity level‚ exercise‚ and lifestyle. Insufficient
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Nutrition Mon/Wed 9:30-12:20 2/16/10 Fad Diet Critique MEDIFAST Medifast is an extremely popular diet because of the fast results most people see while following this diet. It was developed by physicians and has been recommended by more than 20‚000 doctors since 1980. Medifast claims to be a low calorie‚ low fat diet that many people have joined. The plan is based around high protein shakes‚ bars and soups. The most popular choice is the 5 and 1‚ which consists of 5 Medifast meals
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make up one of the most useful substances for many living organisms: Carbohydrates. Carbohydrates are used for numerous processes in organisms from acting in important roles of cellular recognition in the human body to storing chemical energy in plants in the form or starch. The roles of carbohydrates in the human body alone are numerous; providing energy for working muscles‚ providing energy for the regulation of blood glucose‚ preventing proteins being used for energy‚ breaking down fatty acids
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provides energy and nutrients to human body to make the body functions. In today’s society many people have an unhealthy life. An unhealthy life can cause by many different ways but‚ the most important cause is the food problem. There are many types of food in the world‚ can be good and bad. Consuming bad foods can have negative effects in human body. Food contains fat and fat is the long termed energy for human body. carbohydrates also is the energy for human body but‚ carbohydrates is short termed
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exam. Information is divided up by topics that we covered each week in class. You may need to make additional notes on this study guide‚ each point is not fully representative of the concept. Fats and Heart Disease (Units 10-12) 1. Define a fatty acid. 2. Define a triglyceride. 3. Compare and contrast a saturated and unsaturated fatty acid. 4. List food sources of unsaturated (mono- and poly) and saturated fats. 5. What is a sterol? Most common sterol is ______________
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Introduction: Protein texturization is a process of protein transform from a globular state to a fibrous physical structure that contains a sensation of eating meat. Texturized protein products have been defined as “fabricated palatable food ingredients processed from an edible protein source including among other soy grits‚ soy protein isolates and soy protein concentrate with or without suitable option ingredients added for nutritional or technological purposes.” (R.Y Yada‚ 2004) Protein products that
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ATHLETE’S DIET I think that this topic is many important‚ not only for the athletes‚ also for all of us because we are the second country with obesity nowadays. So what I think about the diets in general‚ is that they are goods because with all of those meals we have to eat we will be healthier and with the right weight according to our organism. Many teenagers specially the girls make diets only for lose weight but they do not go with a nutriologist and of course they don’t know how to make a
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