The functional group, which is found in amino acid is -
RNA contains -
Complete hydrolysis of cellulose gives –
The reason for double helical structure of DNA is operation of –
Coordination compounds have great importance in biological systems, In this context which of the following
statements is incorrect ?
Which base is present in RNA but not in DNA ?
Insulin production and its action in human body are responsible for the level of diabetes. This compound belongs to which of the following categories ?
Identify the correct statement regarding enzymes :
In both DNA and RNA, heterocylic base and phosphate ester linkages are at –
The pyrimidine bases present in DNA are –
The term anomers of glucose refers to –
The secondary structure of a protein refers to–
α-D-(+)-glucose and β-D-(+)-glucose are
The two functional groups present in a typical carbohydrate are :
Carbohydrate is a polyhydroxy aldehyde or polyhydroxy ketone or any compound which give these on hydrolysis. group includes aldehydic as well as ketonic group.
Which amino acid is achiral ?
Glycine is the only amino acid with no asymmetric (chiral) carbon because it has two hydrogens attached to alpha carbon.
Biuret test is not given by -
Biuret test is given my an amide linkage. We know that it is present in urea, polypeptides and proteins (polypeptides themselves). Carbohydrates do not have any amide linkages.
The presence or absence of hydroxy group on which carbon atom of sugar differentiates RNA and DNA ?
Which one of the following statements is correct ?
The simplest member of this group is glycine, where the saturated carbon atom is unsubstituted, rendering it optically inactive. The rest of the 20 most common amino acids are optically active existing as both D and L stereoisomer.
Which of the following compounds can be detected by Molisch’s test ?
Monomers are converted to polymer by –
Nylon threads are made of –
Which of the following is a polyamide ?
Which of the following is fully fluorinated polymer-
Bakelite is obtained from phenol by reacting with
Buna-N synthetic rubber is a copolymer of -
The species which can best serve as an initiator for the cationic polymerization is
Synthesis of each molecule of glucose in photosynthesis involves: