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प्रश्न
Select the most correct choice.
A disulphide link gives rise to the following structure of a protein.
पर्याय
Primary
Secondary
Tertiary
Quaternary
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उत्तर
Tertiary
APPEARS IN
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:
Enzyme catalysis
In the process of denaturation, there is NO change in the structure following protein.
Write the structure of Zwitterion of alanine.
Write types of proteins depending upon molecular shape.
Explain globular and fibrous proteins with example.
Define α-amino acids.
Explain the primary structure of proteins.
____________ is NOT a simple protein.
Nucleotide differs from a nucleoside as it has ______
Pyrimidines are ______.
Purine and pyrimidine bases are placed regularly along the DNA molecules at a distance of ______
Choose the WRONG statement from the following.
The optically inactive amino acid is ____________.
Which of the following contains keratin?
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 : ____________.
Identify the enzyme that catalyses the reaction of CO2 with water in huma body.
Which among the following amino acids has lowest molar mass?
Which of the following amino acids has \[\ce{Me - S - CH2 - CH2 -}\] group in the side chain?
Which of the following is not a broad spectrum antibiotics?
The enzyme which converts maltose to glucose is ______.
Which of the following is the simplest amino acid?
The basic amino acid is ____________.
The molecular weight of hemoglobin is ______ Daltons.
A protein is a sequence of amino acids. The end of the polypeptide chain of -NH2 end and at -COOH end are respectively called ______.
Identify basic 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?
Identify the side chain –R present in amino acid lysine.
Which among the following is basic amino acid?
The central dogma of molecular genetics states that the genetic information flows from:
In aqueous solution of amino acids mostly exists in, ____________.
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 the Zwitter ion structure of alanine.
Write a short note on peptide bond.
Write the structure of all possible dipeptides which can be obtained from glycine and alanine.
Which of the following amino acid is basic in nature?
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 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 a short note on a peptide bond.
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 a short note on peptide bond.
Write a short note on peptide bond.
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.
The number of amino groups in the amino acids present in amides is ______.
