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प्रश्न
Define enzymes.
Define enzyme.
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उत्तर
Enzymes are biological catalysts that speed up chemical reactions in living cells without being consumed in the process.
संबंधित प्रश्न
Give scientific reasons:
α-Amino acids have high melting points compared to the corresponding amines or carboxylic acids of comparable molecular mass.
Draw a neat diagram for the following:
Enzyme catalysis
In the process of denaturation, there is NO change in the structure following protein.
Write the structure of Zwitterion of alanine.
Write the number of chiral carbon atoms present in fructose.
Complete the following reaction.
\[\ce{H2N - CH2 - COOH + H2N - CH2 - CH2 - COOH ->[-H2O] ?}\]
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.
From the following identify the INCORRECT match with respect to the different structures of proteins.
____________ is NOT a simple protein.
Pyrimidines are ______.
Purine and pyrimidine bases are placed regularly along the DNA molecules at a distance of ______
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 is NOT a protein?
Proteins are ______ of amino acids.
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?
The bacteriostatic antibiotic from the following is ______.
For the conversion of oxygen to ozone in the atmosphere, nitric oxide in gaseous phase acts as ______.
The enzyme which converts maltose to glucose is ______.
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 basic amino acid 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 of the following molecules from a zwitter ion?
Which among the following amino acids has the lowest molecular mass?
Which among the following is a globular protein?
The central dogma of molecular genetics states that the genetic information flows from:
In a protein, various amino acids linked together by ____________.
In aqueous solution of amino acids mostly exists in, ____________.
Which of the following amino acids is achiral?
Write the Zwitter ion structure of alanine.
Write a short note on peptide bond.
Write a note on denaturation of proteins.
Denaturation of proteins leads to loss of their biological activity by:
The amino acid, which is basic in nature is ______.
Which among the following enzymes hydrolysis starch?
Amino acids in a protein molecule, are linked by a peptide bond. Which of the following correctly shows the reaction of forming peptide bonds?
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 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.
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?
The number of amino groups in the amino acids present in amides is ______.
