The Hair Follicle Stem Cell Niche and the Function of the Rac1 protein within the niche. Abstract: An adult stem cell’s niche is responsible for the preservation of the stem cell’s undifferentiated state through either intrinsic or extrinsic expression of specific proteins (Scadden‚ 2006). Situated in the bulge of the hair follicle‚ hair follicle stem cells (HFSC) are quiescent in nature and are responsible for not only its self renewal but also in the production of rapidly proliferating cells
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Civic Sense As you look around you‚ you are surrounded by the latest technology and everything seems to be more modern and mature. But‚ according to me the citizens of India are not mature enough when it comes to civic sense. This is the only thought that is lacking in the attitude of people. They are so focused towards their own goals that civic sense has become a matter of low priority to them. So‚ what is civic sense? It is nothing but social ethics. A lot of people assume that civic sense
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what sense would they rather lose were as follows: two people for hearing‚ two people for taste‚ and then one person for touch. The two people who choose hearing had about the same explanation for why they lose that one. The two people that also choose taste also had the same explanation for choosing to lose that sense. I was surprised when I asked the fifth person which they would rather lose an they choose touch‚ because for me‚ that is one I would hate to lose. Person one for hearing said that
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Cells are considered the basic units of life in part because they come in discrete and easily recognizable packages. That’s because all cells are surrounded by a structure called the cell membrane. The cell is the very smallest unit of living matter. All living things including plants and animals are made up of cells. Cells are made of atoms‚ which are the smallest units of matter. There are many different kinds of cells. The two kinds you are most likely to be familiar with are animal and plant
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(ROUGH DRAFT) Cody Gocio 9/9/2012 English 10 5th hour A Sense of shelter In “A Sense of Shelter” John Updike uses windows to show the importance of security and shelter to all humans. William is a fairly quiet teenager who is also fairly different being because one of his favorite places is the school‚ not very common for teens. Being that Williams favioret
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Demand‚ Supply and Market Equilibrium Every market has a demand side and a supply side and where these two forces are in balance it is said that the markets are at equilibrium. The Demand Schedule: The Demand side can be represented by law of downward sloping demand curve. When the price of commodity is raised (ad other things held constant)‚ buyers tend to buy less of the commodity. Similarly when the price is lowered‚ other things being constant‚ quantity demanded increases. The above
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Hair is simple in describing its structure. However‚ socially‚ it consists of important functions. Hair is made of a tough protein called keratin(). Hair follicles are there to anchor each individual hair into the skin(). Hair bulbs begin forming the base of the hair follicle. In the hair bulb‚ living cells divide and expand to build the hair shaft(). Blood vessels nourish the cells in the hair bulb and deliver hormones that modify hair growth and structure at different times of life. Hair growth
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Misconceptions of the Sixth Sense: An Extension vs An Ability? The senses are basic: hearing‚ taste‚ smell‚ sight‚ and touch. These are the given senses that are apart of every living creature on earth. People have always wondered about the existence of the sixth sense. A sixth sense is a power of perception beyond the five senses. Many have theorized that the ability of the sixth sense is a skill that can be gained by appreciating nature‚ similar to the innate senses of an animal. The idea of
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The Five Senses I believe that touch is the most important of the five senses. Many people may consider their sense of sight to be the most important. The loss of sight is a tragedy‚ but life goes on. The loss of hearing is just as bad‚ but you can always adjust. If you lose your sense of smell‚ you won’t be able to smell but again‚ you’ll get by. Lose your sense of taste and food will be flavorless but you can still get by. However‚ if you lose your sense of touch you will also lose your
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Michael Jonathan R. Dazo 11132957 Humalit As I read the poem entitled “On Hearing Her Play the Harp” for the first time‚ I got surprised of the fact that the poem has only four lines and that the words were pretty simple and easy to understand for first time readers but in fact the poem had a deeper and a more interesting meaning behind it. At my initial reading with no little or no research at all‚ I visualized everything as a white young pretty woman who comes from a rich and powerful family
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