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प्रश्न
Write the structure of Zwitterion of alanine.
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उत्तर
संबंधित प्रश्न
Select the most correct choice.
A disulphide link gives rise to the following structure of a protein.
Give scientific reasons:
α-Amino acids have high melting points compared to the corresponding amines or carboxylic acids of comparable molecular mass.
Draw a neat diagram for the following:
Secondary structure of protein
The optically inactive α-amino acid among the following is _____________
Complete the following reaction.
\[\ce{H2N - CH2 - COOH + H2N - CH2 - CH2 - COOH ->[-H2O] ?}\]
Write types of proteins depending upon molecular shape.
Explain denaturation of proteins.
Explain globular and fibrous proteins with example.
Explain the primary structure of proteins.
Nucleotide differs from a nucleoside as it has ______
Pyrimidines are ______.
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 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 ____________.
Which of the following contains keratin?
Which of the following is NOT a protein?
Identify the enzyme X in the following reaction.
\[\ce{H2O2(aq) ->[x] H2O(l) + \frac{1}{2} O2(g)}\]
Identify the enzyme that catalyses the reaction of CO2 with water in huma body.
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 ____________.
Which of the following is not a broad spectrum antibiotics?
The enzyme which converts maltose to glucose is ______.
The amino acid having −CH3 as side chain 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 ____________.
Proteins attached with a prosthetic group are called ______ proteins.
A protein is a sequence of amino acids. The end of the polypeptide chain of -NH2 end and at -COOH end are respectively called ______.
An iron-containing red protein is ______
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 ____________.
Among the following L-serine is:
Which of the following statement is not correct?
Which of the following amino acids is achiral?
Give the differences between the primary and secondary structure of proteins.
Write the Zwitter ion structure of alanine.
Write a note on denaturation of proteins.
Write the structure of all possible dipeptides which can be obtained from glycine and alanine.
Define enzymes.
Which of the following amino acid is basic in nature?
The amino acid, which is basic in nature is ______.
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?
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 the Zwitter ion structure of alanine.
Write a short note on a 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 a short note on peptide bond.
Write a short note on peptide bond.
Write the Zwitter ion structure of alanine.
Which from following is an essential amino acid?
In large proteins, peptide chains are much looped, twisted and folded back on themselves. The folded structure is due to the formation of ______ bonds.
