मराठी
महाराष्ट्र राज्य शिक्षण मंडळएचएससी विज्ञान (सामान्य) इयत्ता १२ वी

The optically inactive α-amino acid among the following is _____________

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प्रश्न

The optically inactive α-amino acid among the following is _____________

पर्याय

  • alanine

  • insulin

  • leucine

  • glycine

MCQ
रिकाम्या जागा भरा
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उत्तर

The optically inactive α-amino acid among the following is glycine

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पाठ 14: Biomolecules - Multiple Choice Questions

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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:

Zwitter ion


Draw a neat diagram for the following:

Secondary structure of protein


The chemical nature of peptide bond in proteins is ____________


Write the structure of Zwitterion of alanine.


Write the number of chiral carbon atoms present in fructose.


Write types of proteins depending upon molecular shape.


Explain globular and fibrous proteins with example.


Define α-amino acids.


From the following identify the INCORRECT match with respect to the different structures of proteins.


Nucleotide differs from a nucleoside as it has ______


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.

  1. In quaternary structure, the peptide chains are much looped, twisted, and folded back on themselves due to formation of hydrogen bonds.
  2. When a protein has more than two polypeptide subunits their arrangement in space is called secondary structure.

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 ____________.


The optically inactive amino acid is ____________.


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.


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?


For the conversion of oxygen to ozone in the atmosphere, nitric oxide in gaseous phase acts as ______.


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?


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 ______.


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 amino acids has –CH2OH group in its side chain?


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 ____________.


Among the following the achiral amino acid is:


The secondary structure of a protein refers to ____________.


Which of the following statement is not correct?


Give the differences between the primary and secondary structure of proteins.


Write the Zwitter ion structure of alanine.


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?


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 a short note on peptide bond.


Write the Zwitter ion structure of alanine.


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.


Short Answer Question.

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 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.


The number of amino groups in the amino acids present in amides is ______.


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