BIOCHEMISTRY WEBQUEST Name: BASIC CHEMISTRY Link: http://faculty.clintoncc.suny.edu/faculty/Michael.Gregory/files/Bio%20101/Bio%20101%20Lectures/Biochemistry/biochemi.htm Draw 2 separate carbon molecules both with four single bonds connected to hydrogen molecules. Next take away two hydrogens from each and connect the carbons together with a double bond What is the difference between being ionized and being polar? Compare macromolecules to
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answer the questions that follow. WHY NUTS ARE GOOD FOOD Benefits Lower cholesterol (pecans and almonds) What they do • Polyunsaturated fat in nuts lowers LDL‚ or bad cholesterol levels. • Monounsaturated fat raises good HDL cholesterol levels. What studies show • People who ate almonds had lower levels of LDL cholesterol and higher levels of HDL. • People who added a handful of pecans to their daily diets lowered their cholesterol by 11.3%. Protect the heart (peanuts and walnuts) • Polyunsaturated fat
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go to the doctor’s office to get your cholesterol checked and you are told that you have low cholesterol. You probably think that this is a good thing. What if I was to tell you that this is not a good thing? The low cholesterol that you have is your High-Density Lipoprotein (HDL). This is the good cholesterol. The one that protects against heart attack and low levels increase the risk of heart disease. It is also believed that HDL carries excess cholesterol away from the arteries and back to the
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following information: Cholesterol is a soft‚ waxy substance that is found in the fats in your blood. It is produced in the liver and carried through your blood attached to proteins called lipoproteins. Cholesterol is essential for normal body function‚ however‚ if your cholesterol is too high it can increase your risk of heart disease. A blood test measures the level of the three main types of lipoproteins: • HDL (High Density Lipoprotein) is the “good” cholesterol. It protects your heart
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as arrowroot and banana. Extracted soybean lecithin‚ in turn‚ is often used in packaged foods as an inexpensive substitute for egg-derived lecithin. Other egg substitutes are made from just the white of the egg for those who worry about the high cholesterol and fat content in eggs. These products usually have added vitamins and minerals‚ as
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nutrients to body cells and removing cell waste. The cardiovascular system is the most important system to be healthy for professional runners. Cholesterol - A fatlike substance found in animal cells and some foods‚ such as meats‚ dairy products‚ and egg yolks. The doctor told the girl that she needed to watch her diet‚ especially since high cholesterol runs in her family. Fibrin - An elongated sticky cell in the blood that helps the blood clot; too much fibrin is implicated in the development
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------------------------------------------------- Lipid Structures of some common lipids. At the top are cholesterol[1] and oleic acid.[2] The middle structure is a triglyceride composed of oleoyl‚ stearoyl‚ and palmitoyl chains attached to a glycerol backbone. At the bottom is the common phospholipid‚ phosphatidylcholine.[3] Lipids constitute a broad group of naturally occurring molecules that include fats‚ waxes‚ sterols‚ fat-solublevitamins (such as vitamins A‚ D‚ E‚ and K)‚ monoglycerides
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People are increasingly being warned against the ill effects of fast food and the potential damage they pose to the human health. The effects of fast food include nutritional deficiencies‚ obesity‚ increased cholesterol levels‚ cardiac problems and many other threatening heath hazards. Here is a reminder for your that will include shocking facts about fast food and the harmful effects of fast food. Effects of Fast Food: Sodium and Increased Blood Pressure Most of these quick and convenient
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saturated and unsaturated fatty acids. Saturated fatty acids - which come from animal fats (meat‚ lard‚ dairy products) as well as tropical oils such as coconut and palm oils - raise the levels of LDL cholesterol. Unsaturated fats - which come from vegetable oils - in general‚ do not increase cholesterol levels‚ and may reduce them. Because saturated fatty acids were found to be bad for you a couple decades ago‚ the food industry wanted to switch to using unsaturated fatty acids. Unfortunately‚ unsaturated
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Receptor-mediated endocytosis Receptor-mediated endocytosis is an important mechanism the body uses to remove cholesterol from the bloodstream. Persons with the inherited disease hypercholesterolemia lack normal LDL receptors and as a consequence‚ have dangerously high levels of circulating cholesterol. Their cells cannot remove circulating LDL particles‚ and so the load of cholesterol tends to accumulate on the walls of their arteries‚ which eventually blocks blood flow. Mammalian cells use receptor-mediated
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