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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
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:
Secondary structure of protein
Draw a neat diagram for the following:
Enzyme catalysis
The chemical nature of peptide bond in proteins is ____________
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 denaturation of proteins.
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.
Identify 'P' and 'Q' in the following table.
| Proteins | Role |
| immunoglobulin | P |
| Q | Blood clotting |
Choose the WRONG statement from the following.
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.
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 ______.
β-pleated sheets of polypeptide chains are present in ______.
Which of the following is not a broad spectrum antibiotics?
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 number of proteins in an average human cell is over ______.
The most abundant cellular protein is ______.
An iron-containing red protein is ______
If side-chain group-R for amino acid is -CH2OH, identify the amino acid from following?
Identify basic amino acid from following.
Which among the following amino acids has the lowest molecular mass?
Which among the following is a globular protein?
Among the following the achiral amino acid is:
In aqueous solution of amino acids mostly exists in, ____________.
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.
Tertiary structure of protein is stabilised by ______.
Peptide and hydrogen bonds are present in the primary structure of the protein which is due to ______.
Write a short note on peptide bond.
Write a short note on peptide bond.
Define the term Protein.
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 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.
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.
The number of amino groups in the amino acids present in amides is ______.
