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महाराष्ट्र राज्य शिक्षण मंडळएचएससी विज्ञान (सामान्य) इयत्ता १२ वी

Write the names and schematic representations of all the possible dipeptides formed from alanine, glycine and tyrosine.

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प्रश्न

Write the names and schematic representations of all the possible dipeptides formed from alanine, glycine and tyrosine.

टीपा लिहा
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उत्तर

  1. Glycylglycine: Gly-Gly
  2. Alanylalanine: Ala-Ala
  3. Tyrosyltyrosine: Tyr-Tyr
  4. Glycylalanine: Gly-Ala
  5. Alanylglycine: Ala-Gly
  6. Glycyltyrosine: Gly-Tyr
  7. Tyrosylglycine: Tyr-Gly
  8. Tyrosylalanine: Tyr-Ala
  9. Alanyltyrosine: Ala-Tyr
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पाठ 14: Biomolecules - Exercises [पृष्ठ ३२१]

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बालभारती Chemistry [English] Standard 12 Maharashtra State Board
पाठ 14 Biomolecules
Exercises | Q 3. iii. | पृष्ठ ३२१

व्हिडिओ ट्यूटोरियलVIEW ALL [2]

संबंधित प्रश्‍न

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.


Give scientific reasons:

On boiling egg albumin becomes opaque white.


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 number of chiral carbon atoms present in fructose.


Define peptide bond.


Explain denaturation of proteins.


Draw the structure of Haworth formula of sucrose.


____________ is NOT a simple protein.


Nucleotide differs from a nucleoside as it has ______


Pyrimidines are ______.


Histones are involved in packaging of DNA into structural units called ______.


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 ____________.


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.


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 most abundant cellular protein is ______.


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 ______ 


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?


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:


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 short note on peptide bond.


Write the structure of all possible dipeptides which can be obtained from glycine and alanine.


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?


Tertiary structure of protein is stabilised by ______.


The tightly bound non-proteinaceous organic compound in enzyme is ______.


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.


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 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 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 ______.


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