The main structural feature of proteins is
- AThe ester linkage
- BThe ether linkage
- CThe peptide linkage
- DAll of these
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Which one of the following is the correct structure of cytosine?
DifficultJEE MAIN 2021
View SolutionIn an amino acid,the carboxylic group ionises at $pH = 2.56$ $(pK_{a_1})$ and the ammonium ion ionises at $pH = 9.38$ $(pK_{a_2})$. The isoelectric point of the amino acid is at:
Which of the following proteins destroys the antigen when it enters a body cell?
How many of the given compounds will give a positive Biuret test?
Glycine,Glycylalanine,Tripeptide,Biuret.
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