Advertisements
Advertisements
Question
Draw the structure of Haworth formula of sucrose.
Advertisements
Solution
APPEARS IN
RELATED QUESTIONS
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:
Enzyme catalysis
The optically inactive α-amino acid among the following is _____________
In the process of denaturation, there is NO change in the structure following protein.
Write the structure of Zwitterion of alanine.
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.
Explain globular and fibrous proteins with example.
Define α-amino acids.
____________ is NOT a simple protein.
Histones are involved in packaging of DNA into structural units called ______.
Purine and pyrimidine bases are placed regularly along the DNA molecules at a distance of ______
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 'P' and 'Q' in the following table.
| Proteins | Role |
| immunoglobulin | P |
| Q | Blood clotting |
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 polypeptides with linear chains of i ______ linked by ii ______ bonds.
Identify the enzyme X in the following reaction.
\[\ce{H2O2(aq) ->[x] H2O(l) + \frac{1}{2} O2(g)}\]
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 ______.
The enzyme which converts maltose to glucose is ______.
The amino acid having −CH3 as side chain is ____________.
Which of the following is the simplest amino acid?
The number of proteins in an average human cell is over ______.
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?
Identify the side chain –R present in amino acid lysine.
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:
Which of the following statement is not correct?
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.
Define enzymes.
Denaturation of proteins leads to loss of their biological activity by:
Which of the following amino acid is basic in nature?
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.
Write the Zwitter ion structure of alanine.
Define the term Protein.
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 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.
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.
