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प्रश्न
Complete the following reaction.
\[\ce{H2N - CH2 - COOH + H2N - CH2 - CH2 - COOH ->[-H2O] ?}\]
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उत्तर
\[\begin{array}{cc}
\phantom{...........................................}\ce{O}\\
\phantom{...........................................}||\\
\ce{H2N - CH2 - COOH + H2N - CH2 - CH2 - COOH ->[-H2O] \underset{\text{Dipeptide}}{H2N - CH2 - C - NH - CH2 - CH2 - COOH}}
\end{array}\]
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संबंधित प्रश्न
Give scientific reasons:
On boiling egg albumin becomes opaque white.
Draw a neat diagram for the following:
Zwitter ion
The chemical nature of peptide bond in proteins 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.
Define peptide bond.
Write types of proteins depending upon molecular shape.
Explain denaturation of proteins.
Write industrial application of enzyme catalysis.
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 ____________.
Which of the following is NOT a protein?
Proteins are ______ of amino acids.
Complete the analogy and select the correct option.
α-helix structure : Keratin :: β-pleated sheet : ____________.
Which among the following amino acids has lowest molar mass?
The bacteriostatic antibiotic from the following is ______.
Which of the following amino acids has \[\ce{Me - S - CH2 - CH2 -}\] group in the side chain?
The basic amino acid is ____________.
The most abundant cellular protein is ______.
An iron-containing red protein is ______
If side-chain group-R for amino acid is -CH2OH, identify the amino acid from following?
Which of the following molecules from a zwitter ion?
Which of the following amino acids has –CH2OH group in its side chain?
Which among the following amino acids has the lowest molecular mass?
The central dogma of molecular genetics states that the genetic information flows from:
Among the following the achiral amino acid is:
The secondary structure of a protein refers to ____________.
Write a short note on peptide bond.
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:
Which among the following enzymes hydrolysis starch?
Amino acids in a protein molecule, are linked by a peptide bond. Which of the following correctly shows the reaction of forming peptide bonds?
Tertiary structure of protein is stabilised by ______.
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.
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.
Which from following is an essential amino acid?
Which from following amino acids contains heterocyclic ring at a side chain (R) group?
