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प्रश्न
The optically inactive α-amino acid among the following is _____________
विकल्प
alanine
insulin
leucine
glycine
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उत्तर
The optically inactive α-amino acid among the following is glycine
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संबंधित प्रश्न
Give scientific reasons:
On boiling egg albumin becomes opaque white.
Draw a neat diagram for the following:
Zwitter ion
Draw a neat diagram for the following:
Secondary structure of protein
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 number of chiral carbon atoms present in fructose.
Define peptide bond.
Explain denaturation of proteins.
Explain globular and fibrous proteins with example.
Draw the structure of Haworth formula of sucrose.
Explain the primary structure of proteins.
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 ______
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.
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 ____________.
Which of the following contains keratin?
Which of the following is NOT a protein?
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?
The bacteriostatic antibiotic from the following is ______.
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 amino acids has \[\ce{Me - S - CH2 - CH2 -}\] group in the side chain?
Which of the following is not a broad spectrum antibiotics?
The amino acid having −CH3 as side chain is ____________.
Which of the following is the simplest amino acid?
The basic amino acid is ____________.
The molecular weight of hemoglobin is ______ Daltons.
The number of proteins in an average human cell is over ______.
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 ______
Identify basic amino acid from following.
Which among the following amino acids has the lowest molecular mass?
Identify the side chain –R present in amino acid lysine.
In a protein, various amino acids linked together by ____________.
Among the following the achiral amino acid is:
The secondary structure of a protein refers to ____________.
Which of the following amino acids is achiral?
Define enzymes.
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?
The tightly bound non-proteinaceous organic compound in enzyme is ______.
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 the Zwitter ion structure of alanine.
Write the Zwitter ion structure of alanine.
Short Answer Question.
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.
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.
In large proteins, peptide chains are much looped, twisted and folded back on themselves. The folded structure is due to the formation of ______ bonds.
