Case Study: Newsflash! Transport Proteins on Strike! 1. What is the meaning behind the PHOSPHOLIPIDS’ chant? Phospholipids make up most of the cell membrane‚ in a phospholipid bilayer. Phospholipid molecules form two layers‚ with the hydrophilic (water loving) head facing the extracellular fluid and the cytosol (intracellular) fluid‚ and the hydrophobic (not water loving) tails facing one another. The cell membrane is constructed in such a way that it is semipermeable‚ and allows oxygen
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Cell membranes are a bilayer make up of phospholipids‚ proteins‚ and cholesterol. Its main function is to regulate what comes in and out of the cell by means of diffusion‚ transport proteins and protein channels. Trans membrane proteins transport polar solutes across hydrophobic regions of the bilayer. Diffusion occurs when solutes are transferred from a high concentration of that solute to a lower concentration of solutes. Solutes do not depend on the concentration of other solutes‚ which allows
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Fat or fit? Which is normally preferred? Working out and living a healthy lifestyle not only benefits one’s body‚ it also helps motivate the people around them. It also benefits their way of thinking. Stress relief and concentration‚ self-confidence‚ strength and endurance‚ and longevity are just a few benefits which can be expected as a result of working out. People can stress over the simplest thing. Writing an essay is a great example. One can get writer’s block or overwork their mind
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article “Fat and Happy: In Defense of Fat Acceptance‚” Mary Ray Worley‚ also a member of the National Association to Advance Fat Acceptance (NAAFA)‚ talks about being accepted in America as a fat person; she tells us her personal experiences at the NAAFA Convention‚ her points of view of being a fat person in American‚ and even gives us information from doctors and researchers about weight loss. Worley talks about how America sees fat people and how they are just totally against being fat; she even
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Edward F. Coyle’s article‚ Fat Metabolism During Exercise: New Concept‚ focuses on answering the question to “what limits the rate at which people can convert their body fat into energy during exercise. He focuses on the different components of fats‚ such as the adipose tissue‚ blood plasma‚ and the oxidization of fats. He highlights how within the adipose tissue there an estimated 50‚000 to 60‚000 kcal energy stored as triglyceride and an obese individual will have more energy than compared to an
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Unit 30- Health Psychology P3- Explain 2 specific health psychology issues. Anorexia Nervosa Anorexia nervosa is an eating disorder where a person tries to keep their weight as low as possible- it is also classes as a serious mental health condition. It usually develops from anxiety about body weight and shape‚ and often a person has a desire to be thin or a fear of being overweight. Often people with anorexia will exercise a lot/too much‚ stick to an extreme diet where they don’t eat much and
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Copper vs Fiber They are two major types of cables used in networking‚ copper and fiber. Each cable are used in different application regarding to its usage. They also have different strengths cause of the material they are made of. Copper is the most common out of the two cables. Not as powerful as Fiber‚ but are ideal for buildings up to 100m. Fiber is mostly used for longer distances that copper can’t reach. For example‚ Fiber is ideal for high-rise buildings. Both cables do have their weakness
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any athlete and individual needs change depending on how they are programmed races and workouts‚ it is necessary that the athletes know their nutritional goals and know how to choose a food strategy to achieve these objectives. On average‚ a moderately active woman needs about 2000 kcal per day while a man in need around 2500. Women with low body weight‚ which only a moderate workout and are sedentary for
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The world health organization (WHO) defines health as: health is a complete state of physical‚ social and mental well-being. It is clearly evident that the concept of illness may affect each of these aspects. Medical sociological theories make it easier for us to understand and put into perspective how these two counter act on each other. Sociological theories such as functionalism which proposes that when people become ill‚ medicine can be used to ensure that they return to a functional state and
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Copper vs Fiber Some advantages of Copper Cabling are Power over Ethernet this gives you the ability to power phones‚ surveillance cameras‚ Wireless Access Points‚ and many other devices right through the networking cable itself. That means that you don’t have to schedule an electrician in to run power to your surveillance cameras to power them. Another advantage is the ability to have an emergency power supply that will continue powering mission critical devices even if your electricity goes
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