Cells‚ Cell Division‚ and Cell Specialization Fundamentally Different Types of Cell Prokaryotic Cell- single celled: only DNA+ structure (“before nucleus”) E.g. zygote-complete DNA Eukaryotic Cell-multi-celled (“after nucleus”) Prokaryotes Eukaryotes DNA In “nucleoid” region Within membrane-bound nucleus Chromosomes Single‚ circular Multiple‚ linear Organelles None Membrane-bound organelles Size Usually smaller Usually larger- 50 times Organization Usually single-celled Often multicellular
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most prominent organelle‚ occupying about 10% of the total volume of a cell and can have a varying number of nuclei. It could be uni-nucleate – single nucleus; bi-nucleate – two nuclei or even multi-nucleate. The nucleus separates itself from the surrounding cytoplasm by the double membrane around it called the nuclear envelope‚ this helps to regulate the flow of certain substances going in and out of the nucleus. At varying points around the nucleus‚ the two membranes fuse together to create nuclear
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A) Long-acting beta agonist: Beta-agonists (Beta2-agonists) are the medications that affect smooth muscles surrounding airways.1 In an irritated state of lung‚ muscles around the airways are constricted; these kinds of drugs can influence these muscles and make them relaxed‚ which brings about widening of airway and leads to comfortable breath (“easier breathing”1).1 They are categorized into two subtypes according to their duration time of action‚ including long-acting and short-acting. They can
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ENGINEERING: HOW THE CELL CYCLE OPERATES A cell is a dynamic system. It is "born‚" lives‚ grows‚ reproduces‚ and dies. Each cell works like an automated factory‚ duplicating parts of it. It interacts with its environment‚ sending and receiving signals—electrical and chemical—to act on or cause action elsewhere‚ and guarding against invaders or aggressively attacking other cells. A cell changes shape‚ moves off to another place‚ and sometimes links up with other cells. There used to be two cell-cycle
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INNOVATION IN THE INSULIN´S INDUSTRY – MARTIN MEISTER INNOVATION IN THE INSULIN´S INDUSTRY THE ELI LILLY AND PFIZER EXAMPLES Martin Meister Boston University MET AD 741 May‚ 2012 2 INNOVATION IN THE INSULIN´S INDUSTRY – MARTIN MEISTER Introduction The focus of the present paper is to understand why the pharmaceutical companies Eli Lilly and Pfizer failed in the introduction of what was supposed to be priced premium innovative products like the 100% pure synthetic insulin “Humulin” or the
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14.4.2 Peter explained that multi-agency teams work together to form a support network‚ they also work together to make the best plan/programme for the parents‚ school and child to get the best possible outcome and the child to achieve their potential. A child struggling with communicating and language may see a speech and language therapist‚ special education needs co-ordinator‚ psychologist‚ depending on the child’s requirement all have a different job within the team to get the best out of
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Alone Together: Why We Expect More from Technology and Less from Ourselves The day and the life of a teenagers‚ is consumed with text messages‚ Face time‚ Instagram‚ Twitter‚ YouTube‚ and Face book messages. Many of us watch TV‚ listen to music‚ and “live chat” with our friends by way of the “smart phone”. I’m sure our parents wished for once‚ we would “look up” from our phones and have an actual conversation with them‚ but we can’t. We’re addicted to our phones. And sadly‚ this is typical living
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Calculating Beta for Compuware Corporation Financial websites tend to calculate beta on securities differently for publicly traded companies. Beta is merely an estimable measure of an assets’ risk in relation to the market. Because each website has their own underlying assumptions‚ they compute beta to have different values. In some cases‚ the variance in beta is as large as 0.50. To find out what underlying assumptions websites used to compute their betas‚ we performed a series of regression
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Did you ever wonder how the Beatles got together? They came together by a man named John Winston Lennon. He had a passion for music and arts. John Lennon is a well-known artist for making music and singing it. (Dowswell)When John was a young boy he didn’t like to go to school‚ but he was very bright. He was a student with bad behavior. He skipped class time to write stories and draw. He didn’t like school because it was very boring to him. He was a smart kid though. When John was still young he taught
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How does Glucoregulation work? - Glucagon When blood glucose levels fall below 5mM‚ the alpha pancreatic cells detect this change and release the hormone glucagon. When glucagon bonds to the glucagon receptors that are found mainly in the liver‚ it stimulates a response within the organ that causes glycogen to be converted into glucose. For this reason‚ the liver is said to act as the effector in this system. Glycogen is the branched polymer storage molecule of glucose that is stored in the liver
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