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$10.00 pollysacharides
- From Chemistry: Biochemistry
- Closed, but you can still post tutorials
- Due on Aug. 01, 2012
- Asked on May. 21, 2012 at 02:00:47AM
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Biological importance of following polysaccharides:
1) Cellulose
2) Starch
3) proteoglycan
4) Acid mucapolysaccharides
5) cellwall polysacchaides
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Biological importance of polysaccharides
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- Posted on May. 21, 2012 at 03:18:58AM
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Preview: ... osaccharides (also called "simple sugars"), such as glucose, store chemical energy which biological cells convert to other types of energy. In a list of ingredients, any word that ends with "-ose" (such as "glucose", "dextrose", "fructose", etc.) will likely denote a sugar. Sometimes such words may also refer to any types of carbohydrates soluble in water. Glucose (a type of sugar found in human blood plasma) has the molecular formula C6 H12 O6.
proteoglycan
Proteoglycans are a major component of the animal extracellular matrix, the "filler" substance existing between cells in an organism. Here they form large complexes, both to other proteoglycans, to hyaluronan and to fibrous matrix proteins (such as collagen). They are also involved in binding cations (such as sodium, potassium and calcium) and water, and also regulating the movement of molecules through the matrix
Cartilage extracellular matrix (ECM) contains large amounts of proteoglycans made of a protein core decorated by highly sulfated sugar chains, the glycosaminoglycans (GAGs). GAGs desulfation, a necessary step for their degradation, is exerted by sulfatases that are activated by another enzyme, Sulfatase-Modifying Factor 1 (SUMF1), whose inactivation in humans leads to ...
The full tutorial is about 900 words long .
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- Posted on May. 21, 2012 at 03:21:16AM
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Preview: ... , the "filler" substance existing betweencellsin an organism. Here they form large complexes, both to other proteoglycans, tohyalur ...
The full tutorial is about 89 words long plus attachments.
pollysacharides.docx (15K) $9.00
Biological Importance Function of Polysaccharides
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- Posted on May. 21, 2012 at 05:30:17AM
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Preview: ... d are compatible with chemotherapy and radition therapy making them well suited to the overall treatment of cancer.
4) Acid Mucopolysaccharides
Hyaluronic acid/Hyaluronan (HA), an acid mucopolysaccharide/non sulfated GAG, consisting ofalternative residues of D-glucuronic acid and N-acetylglucosamine. HA is a major component in synovial fluid acting as a lubricant.It is needed in synovial joints because it reduces friction between artificial cartilage, increasing the resiliency. It is also invovled in tissue repair when skin is excessively exposed to UVB rays (sunburn). In the industry there are many HA biomedical products. Healon, developed by Pharmacia, is used in eye surgery. HA is also used to treat osteoarthritis in knees, but its effectiveness is still in question. It is an active ingredient in some skin lotions used to ...
The full tutorial is about 638 words long .
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Biological Importance of several Polysaccharides
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- Posted on Jun. 09, 2012 at 11:49:34AM
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Preview: ... t of the major polysaccharides we find in nature are actually built of the exact same sugars, just linked in different ways.
So...
1) Cellulose - cellulose makes up about a third of all plant material in the world. It is a major structural element in plants, and helps to provide a lot of the rigidity in the cell wall of plant cells. It is also biologically important in ruminants (like cows/sheep/goats) because the organisms inside the ruminants can digest cellulose to obtain energy for the animal. Cellulose provides "roughage" in t ...
The full tutorial is about 433 words long .
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important biological functions of polysaccharides
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- Posted on Jun. 22, 2012 at 05:06:05AM
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Preview: ... , oxygen, and nutrients between the capillaries and discrete cells.
Their importance in cell growth, adhesiveness, and recognition is also widely recognized.Life.”
cell wall polysacchaides
The cell wall is composed of cellulose fiber, polysaccharides, and proteins. In new cells the cell wall is thin and not very rigid. This allows the young cell to grow. This first cell wall of these growing cells is called the primary cell wall. When the cell is fully grown, it may retain its primary wall, sometimes thickening it, or it may deposit new layers of a different material, called the secondary cell wall.
In plants, cellulose is the compound that gives rigidity to the cells
Humans can’t digest cellulose either. (The proof is in the toilet the day after you eat corn, for example.) Because cellulose passes through your digestive tract virtually untouched, it helps maintain the health of ...
The full tutorial is about 665 words long .
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Answer
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- Posted on Jul. 01, 2012 at 10:15:17AM
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Preview: ... responsible for various functioning of body. Proteoglycans are a major component of the animal extracellular matrix , the "filler" substance existing between cells in an organism. T hey are also involved in binding cations and water , and also regulating the movement of molecules through the matrix within ...
The full tutorial is about 216 words long .
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Acid mucapolysaccharides
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- Posted on Jul 23, 2012 at 7:55:58PM
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Preview: ... wood pulp and cotton . It is mainly used to produce paperboard and paper ; to a smaller extent it is converted into a wide variety of derivative products such as cellophane and rayon . Converting cellulose from energy crops into biofuels such ...
The full tutorial is about 184 words long plus attachments.