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प्रश्न
Write the names and schematic representations of all the possible dipeptides formed from alanine, glycine and tyrosine.
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उत्तर
- Glycylglycine: Gly-Gly
- Alanylalanine: Ala-Ala
- Tyrosyltyrosine: Tyr-Tyr
- Glycylalanine: Gly-Ala
- Alanylglycine: Ala-Gly
- Glycyltyrosine: Gly-Tyr
- Tyrosylglycine: Tyr-Gly
- Tyrosylalanine: Tyr-Ala
- Alanyltyrosine: Ala-Tyr
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संबंधित प्रश्न
Select the most correct choice.
A disulphide link gives rise to the following structure of a protein.
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α-Amino acids have high melting points compared to the corresponding amines or carboxylic acids of comparable molecular mass.
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Draw a neat diagram for the following:
Enzyme catalysis
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Write the structure of Zwitterion of alanine.
Write the number of chiral carbon atoms present in fructose.
Define peptide bond.
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Write industrial application of enzyme catalysis.
Explain globular and fibrous proteins with example.
Define α-amino acids.
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 ______
Identify the option that correctly describes the amphoteric nature of proteins.
Identify 'P' and 'Q' in the following table.
| Proteins | Role |
| immunoglobulin | P |
| Q | Blood clotting |
Choose the WRONG statement from the following.
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 conjugate acid of \[\ce{CO^2-_3}\] is ____________.
Identify the enzyme X in the following reaction.
\[\ce{H2O2(aq) ->[x] H2O(l) + \frac{1}{2} O2(g)}\]
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?
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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 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 molecular weight of hemoglobin is ______ Daltons.
The number of proteins in an average human cell is over ______.
The most abundant cellular protein is ______.
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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?
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 the achiral amino acid is:
In aqueous solution of amino acids mostly exists in, ____________.
Among the following L-serine is:
The secondary structure of a protein refers to ____________.
Which of the following statement is not correct?
Which of the following amino acids is achiral?
Write a note on denaturation of proteins.
Define enzymes.
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 ______.
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 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.
Write a short note on peptide bond.
Short Answer Question.
Write the Zwitter ion structure of alanine.
Write the Zwitter ion structure of alanine.
The number of amino groups in the amino acids present in amides is ______.
