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प्रश्न
Define peptide bond.
What is peptide bond?
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उत्तर
The bond that connects α-amino acids to each other is called a peptide bond.
संबंधित प्रश्न
Select the most correct choice.
A disulphide link gives rise to the following structure of a protein.
Write the names and schematic representations of all the possible dipeptides formed from alanine, glycine and tyrosine.
Draw a neat diagram for the following:
Secondary structure of protein
The optically inactive α-amino acid among the following is _____________
In the process of denaturation, there is NO change in the structure following protein.
Write the structure of Zwitterion of alanine.
Write the number of chiral carbon atoms present in fructose.
Complete the following reaction.
\[\ce{H2N - CH2 - COOH + H2N - CH2 - CH2 - COOH ->[-H2O] ?}\]
Explain denaturation of proteins.
Write industrial application of enzyme catalysis.
Explain the primary structure of proteins.
From the following identify the INCORRECT match with respect to the different structures of proteins.
____________ is NOT a simple protein.
Nucleotide differs from a nucleoside as it has ______
Histones are involved in packaging of DNA into structural units called ______.
Purine and pyrimidine bases are placed regularly along the DNA molecules at a distance of ______
Identify 'P' and 'Q' in the following table.
| Proteins | Role |
| immunoglobulin | P |
| Q | Blood clotting |
Choose the WRONG statement from the following.
The conjugate acid of \[\ce{CO^2-_3}\] is ____________.
Proteins are polypeptides with linear chains of i ______ linked by ii ______ bonds.
Complete the analogy and select the correct option.
α-helix structure : Keratin :: β-pleated sheet : ____________.
Identify the enzyme that catalyses the reaction of CO2 with water in huma body.
Which among the following amino acids has lowest molar mass?
The bacteriostatic antibiotic from the following is ______.
For the conversion of oxygen to ozone in the atmosphere, nitric oxide in gaseous phase acts as ______.
β-pleated sheets of polypeptide chains are present in ______.
Which of the following amino acids has \[\ce{Me - S - CH2 - CH2 -}\] group in the side chain?
The side chain R in cysteine is ____________.
The basic amino acid is ____________.
The number of proteins in an average human cell is over ______.
A protein is a sequence of amino acids. The end of the polypeptide chain of -NH2 end and at -COOH end are respectively called ______.
If side-chain group-R for amino acid is -CH2OH, identify the amino acid from following?
Identify basic amino acid from following.
Which of the following molecules from a zwitter ion?
Which among the following amino acids has the lowest molecular mass?
Which among the following is a globular protein?
Which among the following is basic amino acid?
The central dogma of molecular genetics states that the genetic information flows from:
In a protein, various amino acids linked together by ____________.
In aqueous solution of amino acids mostly exists in, ____________.
The secondary structure of a protein refers to ____________.
Which of the following amino acids is achiral?
Write a note on denaturation of proteins.
Write the structure of all possible dipeptides which can be obtained from glycine and alanine.
Denaturation of proteins leads to loss of their biological activity by:
The amino acid, which is basic in nature is ______.
Peptide and hydrogen bonds are present in the primary structure of the protein which is due to ______.
The tightly bound non-proteinaceous organic compound in enzyme is ______.
Write a short note on peptide bond.
Write a short note on peptide bond.
Write a short note on peptide bond.
Define the term Protein.
Write a short note on peptide bond.
Write a short note on peptide bond.
Write the Zwitter ion structure of alanine.
Write the Zwitter ion structure of alanine.
Write the Zwitter ion structure of alanine.
Write a short note on peptide bond.
Write a short note on peptide bond.
Short Answer Question.
Write the Zwitter ion structure of alanine.
Write the Zwitter ion structure of alanine.
Write a short note on peptide bond.
Write the Zwitter ion structure of alanine.
In large proteins, peptide chains are much looped, twisted and folded back on themselves. The folded structure is due to the formation of ______ bonds.
