Advertisements
Advertisements
प्रश्न
The chemical nature of peptide bond in proteins is ____________
पर्याय
primary amide
secondary amide
tertiary amide
an ionic bond
Advertisements
उत्तर
The chemical nature of peptide bond in proteins is secondary amide
APPEARS IN
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.
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:
Secondary structure of protein
Draw a neat diagram for the following:
Enzyme catalysis
Write the structure of Zwitterion of alanine.
Write the number of chiral carbon atoms present in fructose.
Complete the following reaction.
\[\ce{H2N - CH2 - COOH + H2N - CH2 - CH2 - COOH ->[-H2O] ?}\]
Write types of proteins depending upon molecular shape.
Write industrial application of enzyme catalysis.
Draw the structure of Haworth formula of sucrose.
From the following identify the INCORRECT match with respect to the different structures of proteins.
____________ is NOT a simple protein.
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 ____________.
The optically inactive amino acid is ____________.
Which of the following contains keratin?
The conjugate acid of \[\ce{CO^2-_3}\] is ____________.
Proteins are ______ of amino acids.
Proteins are polypeptides with linear chains of i ______ linked by ii ______ bonds.
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 : ____________.
Identify the enzyme that catalyses the reaction of CO2 with water in huma body.
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 ______.
Which of the following is not a broad spectrum antibiotics?
The amino acid having −CH3 as side chain is ____________.
The basic amino acid is ____________.
The molecular weight of hemoglobin is ______ Daltons.
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 ______
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?
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 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 short note on peptide bond.
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?
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 a peptide bond.
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.
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 ______.
