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प्रश्न
Draw a neat diagram for the following:
Zwitter ion
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उत्तर
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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.
Give scientific reasons:
On boiling egg albumin becomes opaque white.
Write the names and schematic representations of all the possible dipeptides formed from alanine, glycine and tyrosine.
Draw a neat diagram for the following:
Enzyme catalysis
The optically inactive α-amino acid among the following is _____________
The chemical nature of peptide bond in proteins is ____________
Write the structure of Zwitterion of alanine.
Write the number of chiral carbon atoms present in fructose.
Complete the following reaction.
\[\ce{H2N - CH2 - COOH + H2N - CH2 - CH2 - COOH ->[-H2O] ?}\]
Define peptide bond.
Write types of proteins depending upon molecular shape.
Explain globular and fibrous proteins with example.
Histones are involved in packaging of DNA into structural units called ______.
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.
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?
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.
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?
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 enzyme which converts maltose to glucose is ______.
The amino acid having −CH3 as side chain is ____________.
The number of proteins in an average human cell is over ______.
Proteins attached with a prosthetic group are called ______ proteins.
Identify basic amino acid from following.
Which of the following molecules from a zwitter ion?
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 the achiral amino acid is:
In aqueous solution of amino acids mostly exists in, ____________.
The secondary structure of a protein refers to ____________.
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.
Define enzymes.
The amino acid, which is basic in nature is ______.
Which among the following enzymes hydrolysis starch?
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.
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.
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.
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.
