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Is xylose a reducing sugar?
Ribose: Ribose is an Aldopentose sugar, and all aldose sugars are reducing sugars. The non-reducing sugars are ketose sugars which contain a ketone functional group. For ex: Ketose = Sucrose. For ex: Aldose = Glucose, Fructose, Lactose
Are lipids polysaccharides?
No, lipids are not polysaccharides. Lipids are a diverse group of molecules that are insoluble in water, whereas polysaccharides are complex carbohydrates composed of long chains of monosaccharides. Lipids include substances like fats, oils, and phospholipids, while polysaccharides include starch, cellulose, and glycogen.
What functional group found in amino acids is absent from monosaccharides polysaccharides fatty acids and glycerol?
The amino group (-NH2) found in amino acids is absent in monosaccharides, polysaccharides, fatty acids, and glycerol. The absence of this group is attributed to the structural differences and functions of these biomolecules.
What are the differences between the cyclic forms of ketose and aldose sugars?
The main difference between cyclic forms of ketose and aldose sugars is the location of the carbonyl group. In ketose sugars, the carbonyl group is located within the carbon chain, while in aldose sugars, the carbonyl group is located at the end of the carbon chain. This difference in carbonyl group location affects the overall structure and properties of the sugars.
Why dont polysaccharides give a positive test with Fehling's solution?
Fehling test is only suitable for reducing sugars, that means, monosaccharides in its open form with an aldehyd available. Polysacchardes have the aldehydes in a acetal form and they can not react
What is a a group of nutrients that includes sugars and starches?
Glucose
Do fructose and glucose contain reducing sugars?
No, it is a polysaccharide and like other polysaccharides it is a non reducing sugar.
Cellulose belongs to a group of molecules called?
Cellulose belongs to polysaccharides, a group of carbohydrates.Cellulose belongs to a group of carbohydrate molecules called polysaccharides.
Is xylose a reducing sugar?
Ribose: Ribose is an Aldopentose sugar, and all aldose sugars are reducing sugars. The non-reducing sugars are ketose sugars which contain a ketone functional group. For ex: Ketose = Sucrose. For ex: Aldose = Glucose, Fructose, Lactose
What functional group polysaccharides belong to?
Polysaccharides belong to the functional group of carbohydrates, which are composed of repeating units of monosaccharides linked together by glycosidic bonds.
Is a carbohydrate a micronutrient?
Yes, a carbohydrate is a molecule made up of sugar molecules bonded together.There are monosaccharides, the simplest carbohydrates which are sugar molecules--fructose, glucose are part of this group. They are also called "simple sugars"There are disaccharides, sugars made up of two linked monosaccharides. Lactose, maltose and sucrose are part of this group.There are polysaccharides and oligosaccharides, longer "chains" and "branches" made up of several monosaccharides. Oligosaccharides are carbohydrates with between two and nine "simple sugar" molecules attached together.Starch and glycogen are polysaccharides.Cellulose and chitin are also polysaccharides, although technically not nutrients as the body does not digest them.
What is the bond called in a polysaccharides?
Carboxyl and Amine group
Do carbohydrates have an amine group?
No. Amino acids are the building blocks of proteins. Carbohydrates contain simple sugars (monosaccharides) and polymers of sugars (disaccharides and polysaccharides).
Are lipids polysaccharides?
No, lipids are not polysaccharides. Lipids are a diverse group of molecules that are insoluble in water, whereas polysaccharides are complex carbohydrates composed of long chains of monosaccharides. Lipids include substances like fats, oils, and phospholipids, while polysaccharides include starch, cellulose, and glycogen.
Are polysaccharides bonded by ester?
No, polysaccharides are not bonded by ester bonds. Polysaccharides are typically composed of monosaccharide units linked together by glycosidic bonds, which are formed through dehydration reactions. Ester bonds are formed between a hydroxyl group and a carboxyl group, commonly found in lipids but not in polysaccharides.
Sources of sugar?
There are many different kinds of sugars. They are a group of polysaccharides. Some sugars are simple, like glucose, and some are more complex, like wheat germ. Sugars in food come from plant sources. In fact, almost all plant foods including vegetables contain at least some sugar. Plants make sugar to store energy they collect from the sun.
What is a group of compounds made of sugars?
A group of compounds made of sugars is called carbohydrates. Carbohydrates are essential nutrients that provide energy to the body and can be found in a variety of foods such as fruits, vegetables, grains, and dairy products. They are made up of carbon, hydrogen, and oxygen atoms.
