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Cloud [144]
2 years ago
7

Why do you suppose the structural polysaccharide cellulose does not contain branches?

Biology
1 answer:
Igoryamba2 years ago
5 0

This is because cellulose is composed of beta glucose units, unlike starch that is formed using alpha-glucose units. The beta acetal linkage between units allows for linear chains hence branches are unlikely. The alpha acetal linkages allow for spiral chains. The beta glucose is good for structural polysaccharides because it allow for best interaction between polymer chains and increases the integrity and strength of the cells wall.  

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If the concentration of salt in the fluid surrounding cells decreases and the concentration of other solutes remains constant?
svetoff [14.1K]

Answer:

The cell will swell.

Explanation:

The cells react distinctly when placed in different solutions like hypertonic, isotonic and hypotonic solutions. In the mentioned question, that is, in the fluid surrounding the cells, the concentration of salt reduces, which makes the solution hypotonic. Hypotonic solution exhibit high water potential and low solute concentration.  

This makes the water move from the hypotonic solution to the inside of the cell as the osmotic movement occurs from high solvent concentration to low solvent concentration, thus, swelling of the cell takes place.  

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3 years ago
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scientist has brought together all the research on the subject and found that, from bees to birds to wolves, many animals have an ability to process and represent numbers arguably a form of counting.

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