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Importance of cellulose
About one third of the world's production of purified cellulose is used as the base material for a number of water-soluble derivatives with predesigned and wide ranging properties. Methylcellulose (made by methylating about 30% of the hydroxyl groups) is thermogelling i.e. forming gels above a critical. Such gels break down on cooling causing the minimum solubility for non-polar gases. Hydrophobic saccharides become less soluble as the temperature increases. This property is useful in forming films as barriers to water loss and for holding on to small gas bubbles. Hydroxypropyl cellulose possesses good surface activity but does not gel as it forms open helical coils. Another important derivative of cellulose is carboxymethylcellulose. Let us learn about its properties and food applications
State in brief about Gullstrands Theory A change in the lens is controlled by the balance between elasticity of the lens capsule and the pull of zonules. It is believed that on
Define about the Micro Minerals? Micro minerals are those minerals, which comprise less than 0.01% of the total body weight and are required in concentrations of one part per m
How the Rhizopus reproduce? Rhizopus usually reproduce asexually, but under unfavourable conditions, sexual reproduction (isogamous) occur resulting in formation of zygospores
Q How are the concepts of chromosome, chromatids and chromatin related? In which phase of the cell cycle does the DNA duplicate? Chromatin is a set of filamentous the DNA molec
Define Milk as a rich source of protein? A value of 3.5% protein is often considered as an average for milk. Milk protein has traditionally been divided into 2 classes - casein
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Chromosomes and Their Organization During division phase , the duplicated chromatin fibres become extremely shortened (= condensed), by coiling and folding ,into short
#questiocan you help in a biology question?.
What is suisidel bag in plant?
Evolution of Metazoa The sponges, coming under phylum Porifera are the closest to Protista, and can perhaps be regarded even as a colony of protists rather than being multicel
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