Glycogen is a branched-chain polymer of -D glucose units in which chain
is formed by C1 - C4 glycosidic linkage whereas branching occurs by the
formation of C1 - C6 glycosidic linkage. The structure of glycogen is similar to
Which of the following polymer is stored in the liver of animals?
Sucrose (cane sugar) is a disaccharide. One molecule of sucrose on
hydrolysis gives ............
1. 2 molecules of glucose
2. 2 molecules of glucose + 1 molecule of fructose
3. 1 molecule of glucose +1 molecule of fructose
4. 2 molecules of fructose
An anomer is represented by:
Proteins are found to have two different types of secondary structures via -helix and -pleated sheet structure. The -helix structure of a protein is stabilized by-
1. Peptide bonds
2. Van der waals forces
3. Hydrogen bonds
4. Dipole-dipole interactions
In disaccharides, if the reducing groups of monosaccharides, i.e., aldehydic or ketonic groups are bonded, these are non-reducing sugars. Which of the following disaccharide is a non-reducing sugar?
Which of the following acids is a vitamin?
1. Aspartic and
2. Ascorbic acid
3. Adipic acid
4. Saccharic acid
Carbon atoms of pentose sugars of nucleotides having phosphodiester linkage are -
1. 5' and 3'
2. 2' and 5'
3. 5' and 5'
4. '3 and 3'
Nucleic acids are the polymers of :
The incorrect statement among the following regarding glucose is -
1. It is an aldohexose.
2. n-Hexane is formed when glucose is heating with HI.
3. It is present in furanose form.
4. It does not give 2, 4- DNP test.