address this question: “Propose a possible explanation on why the light caused depolarization of the off-center ganglion cell?” we first have to describe the structure of the center -surround in the receptive fields of retinal. In the receptive field‚ there are cone photoreceptors that communicate with On and Off center bipolar cell and finally On and Off center ganglion cells that carry the action potential to the cortex. When light comes to the retina (eyes) it causes closing of channels in the
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the functional role of amacrine cells in retinal dynamics. In this thought paper I will argue that together with the bipolar and ganglion cells‚ the amacrine cells operate in a parametric system similar to the feedback and feedforward systems found in motor control. In order to determine the role of the amacrine cells they needed to determine the method of bipolar convergence and divergence in ganglion cells. When stimulated individually‚ two different bipolar cells were able to elicit distinct post
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him or her having Sickle Cell Disease. What this is is it’s a disease that is genetically inherited and it involves the red blood cells. Mutations in the HBB gene cause this disease. This disease is inherited in an autosomal recessive pattern‚ which means both copies of the gene in each cell will have mutations. The parents of offspring with an autosomal recessive gene each carry one copy of the mutated gene. The blood cells form an abnormal crescent shape (normal cells are in a disk form). The
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of higher concentration (vinegar)‚ to an area of lower concentration (the egg). 4. Consider how lettuce or spinach placed in water becomes firm and crisp. Use what you have learned about cell membranes to explain this observation. Lettuce and spinach become firm and crisp when placed in water because the cells absorb the water‚ and in turn makes the lettuce/spinach bloated with water. 5. If you were to continue this experiment by removing the egg from the water and covering it in syrup‚
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In 1978‚ the National Health System was set up in Italy. In the same year‚ Local Health Authorities (USL) were created which were controlled by the municipalities. However‚ it was not until 2000 that a legal framework and financial basis for a national development of social services was established. Meanwhile‚ care for the elderly was entrusted to general practitioners‚ community care services organised by municipalities and associations. According to Nesti et al. (2003)‚ “at least until the 1990s
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to the right customer at the right time‚” which shows their flexibility. B) Lawn Care’s order qualifiers are providing reasonably priced and easily accessible grass seed and fertilizer. Their order winners are providing the highest-quality products and making sure the right product gets to the right customer. . Operating system processes lead to customer needs and expectations‚ which leads to customer benefit package b. Customer benefit package leads to customer needs and expectations‚ which
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The question of whether cell phones should be allowed in schools has been hotly debated over the years. The reality is‚ bans on cell phones are hard for schools to enforce. A 2010 Pew Internet & American Life Project study found that 65 percent of cell-owning teens at schools that completely ban phones bring their phones to school every day anyway. Most schools now allow students to have cell phones but try to require them to be turned off during class because they can be disruptive and distracting
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1.The original motivation behind Bayer’s decision to launch the Makrolon ingredient branding concept was‚ to give Bayer and it’s partner’s the ability to achieve a differentiation of themselves from the competition and competing products by means of a branding strategy. It was important to Bayer to highlight the advantages of Makrolon and transfer this positive image to the end product with the help of a brand name. With this differentiation it gives the ingredient a unique selling proposition‚ or
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The Cell membrane surrounds all living cells and is the most important organelle‚ there is also a similar plasma membrane that surrounds all the organelles except for the ribosome. The membrane controls how and what substances can move in and out of the cell/organelle The structure of the membrane is often referred to as the “Fluid Mosaic Model”; this is because of the way it is structured It is composed of phospholipids‚ proteins‚ and carbohydrates‚ which are arranged in a fluid
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The Cell Phone Revolution Since the beginning of the industrial revolution‚ the world has become a smaller place. The time used to travel to far distances has diminished; with the growth of new technologies‚ traveling and communicating have become simple daily tasks for many people. Through the growth of global communication‚ people have become closer to others across the globe‚ and business has gone world wide. One invention that came along with the technological revolution is the cell phone. Cell
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