Advertisements
Advertisements
प्रश्न
Define peptide bond.
What is peptide bond?
Advertisements
उत्तर
The bond that connects α-amino acids to each other is called a peptide bond.
संबंधित प्रश्न
Give scientific reasons:
α-Amino acids have high melting points compared to the corresponding amines or carboxylic acids of comparable molecular mass.
Write the names and schematic representations of all the possible dipeptides formed from alanine, glycine and tyrosine.
Draw a neat diagram for the following:
Zwitter ion
Draw a neat diagram for the following:
Secondary structure of protein
The optically inactive α-amino acid among the following is _____________
The chemical nature of peptide bond in proteins is ____________
In the process of denaturation, there is NO change in the structure following protein.
Explain denaturation of proteins.
Write industrial application of enzyme catalysis.
Explain globular and fibrous proteins with example.
Define α-amino acids.
From the following identify the INCORRECT match with respect to the different structures of proteins.
____________ is NOT a simple protein.
Pyrimidines are ______.
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 ______
Read the following statements and select the correct option.
- In quaternary structure, the peptide chains are much looped, twisted, and folded back on themselves due to formation of hydrogen bonds.
- When a protein has more than two polypeptide subunits their arrangement in space is called secondary structure.
Identify 'P' and 'Q' in the following table.
| Proteins | Role |
| immunoglobulin | P |
| Q | Blood clotting |
Identify (i) and (ii) and select the correct option.
i. Protein portion of the enzyme is called the ____________.
ii. Non-protein constituent binding to the enzyme is called as the ____________.
The optically inactive amino acid is ____________.
Which of the following contains keratin?
The conjugate acid of \[\ce{CO^2-_3}\] is ____________.
Which of the following is NOT a protein?
Proteins are ______ of amino acids.
Proteins are polypeptides with linear chains of i ______ linked by ii ______ bonds.
Identify the enzyme X in the following reaction.
\[\ce{H2O2(aq) ->[x] H2O(l) + \frac{1}{2} O2(g)}\]
Which among the following amino acids has lowest molar mass?
The bacteriostatic antibiotic from the following is ______.
β-pleated sheets of polypeptide chains are present in ______.
Which of the following is not a broad spectrum antibiotics?
The enzyme which converts maltose to glucose is ______.
Which of the following amino acid is an essential amino acid?
Which of the following is the simplest amino acid?
The basic amino acid is ____________.
The most abundant cellular protein is ______.
An iron-containing red protein is ______
Which of the following molecules from a zwitter ion?
Identify the side chain –R present in amino acid lysine.
The central dogma of molecular genetics states that the genetic information flows from:
In a protein, various amino acids linked together by ____________.
Among the following L-serine is:
The secondary structure of a protein refers to ____________.
Which of the following amino acids is achiral?
Give the differences between the primary and secondary structure of proteins.
Write a short note on peptide bond.
Write a note on denaturation of proteins.
Denaturation of proteins leads to loss of their biological activity by:
Which of the following amino acid is basic in nature?
The amino acid, which is basic in nature is ______.
Tertiary structure of protein is stabilised by ______.
The tightly bound non-proteinaceous organic compound in enzyme is ______.
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 the Zwitter ion structure of alanine.
Write a short note on a peptide bond.
Write the Zwitter ion structure of alanine.
Write the Zwitter ion structure of alanine.
Write a short note on peptide bond.
Short Answer Question.
Write the Zwitter ion structure of alanine.
Write a short note on peptide bond.
Write the Zwitter ion structure of alanine.
Given below are two statements.
Statement I- Most of the blood proteins are acidic proteins.
Statement II - Derived proteins are not found in nature.
In the light of above statements, Select the correct option given below.
Which from following is an essential amino acid?
Which from following amino acids contains heterocyclic ring at a side chain (R) group?
In large proteins, peptide chains are much looped, twisted and folded back on themselves. The folded structure is due to the formation of ______ bonds.
