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प्रश्न
Write the number of chiral carbon atoms present in fructose.
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उत्तर
3 chiral carbon atoms are present in fructose.
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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:
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:
Zwitter ion
The chemical nature of peptide bond in proteins is ____________
In the process of denaturation, there is NO change in the structure following protein.
Complete the following reaction.
\[\ce{H2N - CH2 - COOH + H2N - CH2 - CH2 - COOH ->[-H2O] ?}\]
Define peptide bond.
Write industrial application of enzyme catalysis.
Explain globular and fibrous proteins with example.
Define α-amino acids.
Draw the structure of Haworth formula of sucrose.
Explain the primary structure of proteins.
____________ is NOT a simple protein.
Pyrimidines are ______.
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.
Identify the option that correctly describes the amphoteric nature of proteins.
Which of the following contains keratin?
The conjugate acid of \[\ce{CO^2-_3}\] is ____________.
Identify the enzyme X in the following reaction.
\[\ce{H2O2(aq) ->[x] H2O(l) + \frac{1}{2} O2(g)}\]
Identify the enzyme that catalyses the reaction of CO2 with water in huma body.
The bacteriostatic antibiotic from the following is ______.
For the conversion of oxygen to ozone in the atmosphere, nitric oxide in gaseous phase acts as ______.
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 basic amino acid is ____________.
The molecular weight of hemoglobin is ______ Daltons.
The number of proteins in an average human cell is over ______.
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?
Which among the following is a globular protein?
Identify the side chain –R present in amino acid lysine.
Which among the following is basic amino acid?
In a protein, various amino acids linked together by ____________.
Among the following the achiral amino acid is:
Which of the following amino acids is achiral?
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.
Which of the following amino acid is basic in nature?
Which among the following enzymes hydrolysis starch?
Tertiary structure of protein is stabilised by ______.
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 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.
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?
The number of amino groups in the amino acids present in amides is ______.
