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Amino Acids Can Be Used By The Body To Make Glucose And Fatty Acids True Or False

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In this video we take a look at what are organic molecules, and the major groups of organic molecules. We take a brief look at the 4 major groups, carbohydrates, protein, lipids and nucleic acids. Transcript and notes Major groups of organic molecules Organic molecules are found in living systems, including the human body, and are generally defined as compounds that contain molecules that have a carbon, carbon covalent bond, or a carbon hydrogen covalent bond. Covalent bonds being bonds where electrons are shared between the atoms. There are four major groups of organic molecules, carbohydrates, lipids or fats, proteins and nucleic acids. These are often referred to as the molecules of life. All carbohydrates contain carbon, oxygen and hydrogen, usually in a ratio of 1 to 2 to 1, as you can see in this linear model of a glucose molecule, glucose being one of the most important smaller, or simple carbohydrates. Simple carbohydrates can link together in chains or rings to form longer more complex carbohydrates as you see here in this chain of glucose molecules. Lipids are composed mainly of carbon, hydrogen and oxygen; however, lipids contain a lower proportion of oxygen atoms than do carbohydrates. Here is a linear model of a triglyceride molecule, which is a type of lipid. You can see the many carbon, carbon and carbon, hydrogen covalent bonds throughout the molecule. There are several types of lipids, which we will cover in depth in another video. Some lipids do contain nitrogen and phosphorus. All Proteins contain 4 elements, carbon, hydrogen, oxygen and nitrogen. Proteins are giant macromolecules that are made up of amino acid building blocks. Here are 2 different amino acid molecules, and here are these molecules bonded together to form a dipeptide. Amino acids can link together to form long chains, typically a protein consists of 100 or more amino acids linked together. Some proteins contain phosphorus, sulfur, iron, zinc, magnesium and other trace metals. There are 2 main types of nucleic acids, DNA or deoxyribonucleic acids and RNA or ribonucleic acids. Nucleic acids are large molecules made up of smaller molecules called nucleotides. The nucleotides in these molecules are linked together through covalent bonds or bonds where electrons are shared between atoms and through hydrogen bonds. DNA is a double stranded nucleic acid and its molecules take on a helical formation. Most RNA molecules are single stranded nucleic acids and many times they form a folded compacted structure with some hydrogen bonding taking place within the molecule. In future videos we will be going in depth into the structure of each of these types of molecules.

Chemistry Ii: Water And Organic Molecules

Table of Contents It can be quite correctly argued that life exists on Earth because of the abundant liquid water. Other planets have water, but they either have it as a gas (Venus) or ice (Mars). This relationship is shown in Figure 1. Recent studies of Mars reveal the presence sometime in the past of running fluid, possibly water. The chemical nature of water is thus one we must examine as it permeates living systems: water is a universal solvent, and can be too much of a good thing for some cells to deal with. Figure 1. Water can exist in all three states of matter on Earth, while only in one state on our two nearest neighboring planets. The above graph is from Water is polar covalently bonded within the molecule. This unequal sharing of the electrons results in a slightly positive and a slightly negative side of the molecule. Other molecules, such as Ethane, are nonpolar, having neither a positive nor a negative side, as shown in Figure 2. Figure 2. The difference between a polar (water) and nonpolar (ethane) molecule is due to the unequal sharing of electrons within the polar molecule. Nonpolar molecules have electrons equally shared within their covalent bonds. Image from Pur Continue reading >>

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Popular Questions

  1. KESTRYLL

    How accurate are 'skinfold' body fat tests that use callipers?
    98%
    The American College of Sports Medicine states that skinfold measurements, when performed by a trained, skilled tester, are up to 98% accurate. Because of the consistency in results, the high success rate, and the low margin of error, this is generally accepted as the best field test, outside of clinical testing, such as hydrostatic weighing.

    Pounds lost: 15.0



    0

    7.5

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    22.5

    30

  2. KESTRYLL

    Wearing ankle or wrist weights is a safe way to add intensity to your walks.
    False
    Avoid wearing ankle and wrist weights. They can alter your normal movement patterns and increase the risk of injury. If you must add weight to your workout, a weighted vest helps distribute weight more evenly and allows you to move more freely and normally than weights attached to your extremities.

    Pounds lost: 15.0



    0

    7.5

    15

    22.5

    30

  3. KESTRYLL

    True or False: Exercise can help slow brain shrinkage in people with early Alzheimer's disease.
    True
    A study in the journal Neurology showed that exercise may help slow brain shrinkage in people with early Alzheimer's disease. In the study, adults diagnosed with early Alzheimer's who were less physically fit had four times more brain shrinkage than normal older adults

    Pounds lost: 15.0



    0

    7.5

    15

    22.5

    30

  4. -> Continue reading
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Are you looking for accredited Nutrition Courses Online? Wish to start a career in nutrition? You can now explore nutrition courses at Brentwood Open Learning College http://goo.gl/RhaLMm. Contact us 24/7 athttp://www.bolc.co.uk/. There are no age limits or geographical restrictions to enrol in our courses. Get experience of our professionally designed Nutrition courses now. Our Nutrition courses cover different areas of diet and nutrition. Online Nutrition courses deliver information about nutrition plans that is important for maintaining healthy life style. People are becoming more conscious about the health as they are getting familiar with health issues. Demand for diet and nutrition professionals is increasing with the passage of time. Certificate in nutrition is specifically structured keeping in view the upcoming demand for nutrition advisors. Nutrition Certificate Online is designed to provide the deep knowledge about the key topics of nutrition. You will get knowledge about the importance of optimum health, through effective balance and lifestyle choices. Basic principles of healthy eating and dietary plans are examined during studies. Common eating disorders are discussed along with their symptoms and treatments to develop abilities to diagnose critical health issues in Nutrition Certification online. Nutritionist course online, level 3 provides knowledge about maintaining the healthy lifestyle. This online nutrition course comprises of seven units: An Overview of Nutrition, Dietary Nutrition, The Balanced Diet, Dietary Requirements, Eating Disorders, Weight Loss, Weight Control. Initial units are set to familiarize candidates with the basics of nutrition, nutrients, and food groups. Body metabolism, care of healthy body and eating disorders with their treatments are presented in further units of course. Nutritionist certificate online level 4 give details about a wide variety of topics about diet and nutrition. The importance of nutrition professionals sector in upcoming years cannot be neglected. Diploma in diet and nutrition level 4 comprises of 15 revealed units: An Overview of Nutrition, Basics of Nutrition 1, Basics of Nutrition 2, Digestion and Detoxification, Eating Disorders, Balancing the Diet, Principles of Healthy Eating, Nutrition and the Immune System, Diet and Disease, Women’s Health, Nutrition Requirement for Different People, Weight Control Management, Weight Loss Management, Anti-ageing formulas, The Role of a Nutritionist. On starting units, candidates are introduced to an overview and basic concepts about nutrition. In later units of course digestion, disorder issues and balancing techniques are discussed. In the middle units of course topics related to immune system, importance of diet and women’s health are outlined. Weight loss and weight control secrets as well as nutritionist roles in the modern age are explored in the last units of diploma in diet and nutrition level 4. Get Connected Facebook: https://facebook.com/bolconline Twitter: https://twitter.com/bolcuk Google+: https://plus.google.com/+BrentwoodOpe...

Nutrition Review Exam2

1. Nutrition 101Exam 2 Review Session TAs: Helen Corless and Delma Betancourt 2. Chapter 6Protein: Amino Acids 3. Which of the following atoms is not a component of carbohydrate or fat?a) Hydrogenb) Nitrogenc) Oxygend) Carbon 4. Which of the following atoms is not a component of carbohydrate or fat?a) Hydrogenb) Nitrogenc) Oxygend) Carbon 5. Carbohydrates, lipids, and proteins are all composed of carbon, hydrogen and oxygen in various arrangementsBut…protein is unique in that it also contains nitrogen 6. Which of the following differentiates amino acids from each other?a) Number of carbon-carbon double bondsb) The side groupc) The amino groupd) Hydrogenation 7. Which of the following differentiates amino acids from each other?a) Number of carbon-carbon double bondsb) The side groupc) The amino groupd) Hydrogenation 8. There are 20 different amino acids, eachwith its own unique side group 9. An amino acid that the body can synthesize is called:a) Indispensableb) Essentialc) Conditionally essentiald) Non-essential 10. An amino acid that the body can synthesize is called:a) Indispensableb) Essentialc) Conditionally essentiald) Non-essential 11. Most amino acids are nonessential, mea Continue reading >>

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Popular Questions

  1. KESTRYLL

    How accurate are 'skinfold' body fat tests that use callipers?
    98%
    The American College of Sports Medicine states that skinfold measurements, when performed by a trained, skilled tester, are up to 98% accurate. Because of the consistency in results, the high success rate, and the low margin of error, this is generally accepted as the best field test, outside of clinical testing, such as hydrostatic weighing.

    Pounds lost: 15.0



    0

    7.5

    15

    22.5

    30

  2. KESTRYLL

    Wearing ankle or wrist weights is a safe way to add intensity to your walks.
    False
    Avoid wearing ankle and wrist weights. They can alter your normal movement patterns and increase the risk of injury. If you must add weight to your workout, a weighted vest helps distribute weight more evenly and allows you to move more freely and normally than weights attached to your extremities.

    Pounds lost: 15.0



    0

    7.5

    15

    22.5

    30

  3. KESTRYLL

    True or False: Exercise can help slow brain shrinkage in people with early Alzheimer's disease.
    True
    A study in the journal Neurology showed that exercise may help slow brain shrinkage in people with early Alzheimer's disease. In the study, adults diagnosed with early Alzheimer's who were less physically fit had four times more brain shrinkage than normal older adults

    Pounds lost: 15.0



    0

    7.5

    15

    22.5

    30

  4. -> Continue reading
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Hey Friends & Family, this is part 2 to chapter 1 of the bulletproof diet. If you got to this video then you must be enjoying it. I say start implementing right away, start with removing certain foods from your diet and sticking with things like water and tea, no fruity or soda drinks. Enjoy ! Notes: Hacking hunger hormones but adding more fat into your diet (Grass-fed butter). What controls insulin ? A hormone called leptin: which plays an ENORMOUS role in weight loss by regulating energy expenditure, appetite, and movement, and it sends a stop eating signal to the brain when youve met your bodies energy demands. Overweight/obese people have an over abundance of leptin which leads them to having leptin resistance. Which results in the stop eating from your brain not being received to your tummy. This leads to why you feel sluggishness, weight gain, and the inability to feel satiated. Also, consuming a lot of fructose (sugar and fruits) causes leptin resistance as well by elevating triglyceride levels, triglycerides impair leptin transport and prevent it from entering the hypothalamus, the structure in the brain that most needs to receive the leptin signal to inhibit hunger. The bulletproof diet limits triglycerides by limiting fructose, eliminating food toxins, and reducing food reward and cravings, all of which reset leptin levels and allows for easy weight loss. VIP (vasoactive intestinal polypeptide) works alongside leptin, it functions a a nueromodulator and neurotransmitter and has many key function. It is key in the central nervous system and helps regulate the circadian rhythms (your natural sleep habit), learning and memory, immunity, inflammation, and responses to stress and brain injury. Histamines, a bacteria BA known for its role in seasonal allergies. Single most common source is soy, mostly soy sauce. Can be found in some veggies, seeds, or animals like pig and fish. Gut bacteria, good and bad. Bad gut (or fat people) bacteria is called Firmicutes phylum which is found in yogurt and most probiotic supplements, you need these but if its too plentiful in the gut, youre gonna get fat. Good bacteria (skinny people) is called bacteroidetes phylum, cant be supplemented but can be found in foods high in polyphenols, these are coffee (not all but some) and Chocolate (not milk chocolate, more like 90% dark cocoa) ! Too combat the bad bacteria, eat more coconut oil which is known to be an anti fungal agent. Check out uBiome, this is a project thats becoming bigger and bigger. Consuming fat signals your body to create more bile, so by eating more healthy fats, you create more bile, thus leading to excreting more toxins. Majority of all we know about food unfortunately has been passed down due to marketing, misinformation, and fear. Our bodies are very very complex and ignored to make it easy they isolate things like total fat and cholesterol to make it easy for us to understand. But that is slow killing us. Its best we take control of our bodies. Give it the power it deserves.

Chapter Summary

Metabolism is the sum of all the chemical and physical processes by which the body breaks down and builds up molecules. All forms of life maintain a balance between anabolic and catabolic reactions, which determines if the body achieves growth and repair or if it persists in a state of loss. Metabolic pathways are clusters of chemical reactions that occur sequentially and achieve a particular goal, such as the breakdown of glucose for energy. These pathways are carefully controlled, either turned on or off, by hormones released within the body. Condensation and hydrolysis are chemical reactions involving water, whereas phosphorylation is a chemical reaction in which phosphate is transferred. In oxidation-reduction reactions, the molecules involved exchange electrons. Enzymes, coenzymes, and cofactors increase the efficiency of metabolism. Glucose oxidation occurs in three well-defined stages: glycolysis, the TCA cycle, and oxidative phosphorylation via the electron transport chain. The end products of glucose oxidation are carbon dioxide, water, and ATP. During glycolysis, six-carbon glucose is converted into two molecules of three-carbon pyruvate. If glycolysis is anaerobic, this Continue reading >>

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  1. Theodore

    False

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  2. Nicey8

    False. Amino acids condense to form polypeptides and proteins.

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