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Glycoside represents class of chemicals in which a sugar molecule is linked through a glycosidic linkage(through anomeric carbon) to a non-sugar moeity.

whereas.....

polysaccharides represent class of molecules on which sugar molecules only are attached by glycosidic linkage...and the sugar molecules may be the same(homoglycan) or different(heteroglycan)

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Why cardiac glycoside cause anorexia?

Cardic Glycoside does not cause anorexia.


Reaction of a simple sugar with an alcohol produces?

The reaction of a simple sugar with an alcohol typically produces a glycoside. This reaction involves the formation of a glycosidic bond between the sugar molecule (e.g., glucose) and the alcohol (e.g., methanol), resulting in the production of a glycoside compound. Glycosides are commonly found in nature and have various biological activities.


What is an aglycone?

An aglycone is the non-sugar fragment of a glycoside.


What is a bond between two monosacharide units?

A disaccharide or polysaccharide.


What is a xyloside?

A xyloside is a glycoside of xylose.


What is the difference between conjugated and unconjugated vaccines?

Conjugate - certain bacteria have polysaccharide outer coats that are poorly immunogenic. By linking these outer coats to proteins (e.g. toxins), the immune system can be led to recognize the polysaccharide as if it were a protein antigen. This approach is used in the Haemophilus influenzae type B vaccine. [Wikipedia]


What is a Glycoside?

It is an herbal carbohydrate that exerts powerful effect on hormone-producing tissues. The glycoside breaks down into a sugar and a non-sugar component


What is a betanin?

A betanin is a glycoside obtained from beetroot.


How can the tollens test be used to distinguish between an aldose and glycoside?

The Tollens test can distinguish between an aldose and a glycoside because aldoses can reduce silver ions in Tollens' reagent, leading to the formation of a silver mirror, while glycosides typically do not react in this manner. Aldoses have a free aldehyde group that can participate in oxidation, whereas glycosides have a glycosidic bond that prevents oxidation due to the absence of a free reducing group. Thus, a positive Tollens test indicates the presence of an aldose, while a negative result suggests the presence of a glycoside.


Explain the difference between disaccharide and a polysaccharide?

a disaccharide is two monosaccharides. and a polysaccharide is a long chain of monosaccharides joined together. they are units of carbohydrates.


What kind of bond is formed between an anomeric carbon and an-OR group?

The bond formed between an anomeric carbon and an -OR group is a glycosidic bond. This covalent bond occurs during the reaction between the anomeric carbon of a carbohydrate and the hydroxyl group of an alcohol (-OR), resulting in the formation of a glycoside. This bond is crucial in the formation of disaccharides and polysaccharides from monosaccharides. The configuration of the anomeric carbon (alpha or beta) influences the properties of the resulting glycoside.


Where is the energy I a polysaccharide stored?

The energy in a polysaccharide is stored within the chemical bonds between the glucose molecules that make up the polysaccharide. When these bonds are broken through processes like digestion, the stored energy is released and can be utilized by the body for various functions.