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Read the passage given below and answer the following questions:

When a protein in its native form, is subjected to physical changes like change in temperature or chemical changes like change in pH, the hydrogen bonds are disturbed. Due to this, globules unfold and helix get uncoiled and protein loses its biological activity. This is called denaturation of protein.
The denaturation causes change in secondary and tertiary structures but primary structures remains intact.
Examples of denaturation of protein are coagulation of egg white on boiling, curding of milk, formation of cheese when an acid is added to milk.

Q. Secondary structure of protein refers to v
  • a)
    mainly denatured of proteins and structures of prosthetic groups
  • b)
    three-dimensional structure, especially the bond between amino acid residues that are distant from each other in the polypeptide chain
  • c)
    linear sequence of amino acid residues in the polypeptide chain
  • d)
    regular folding patterns of continuous portions of the polypeptide chain.
Correct answer is option 'D'. Can you explain this answer?
Verified Answer
Read the passage given below and answer the following questions:When a...
Secondary structure, refers to regular l folded structures that form within a polypeptide due to interactions between atoms of the backbone. Both structures are held in shape by hydrogen bonds, which form between the carbonyl O of one amino acid and the amino H of another.
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Read the passage given below and answer the following questions:When a...

Secondary structure of protein refers to:

Secondary structure of a protein refers to the regular folding patterns of continuous portions of the polypeptide chain. This structure is primarily stabilized by hydrogen bonds between the backbone amide and carbonyl groups.

Explanation:

- Definition: Secondary structure of a protein refers to the local folded structures that form within a polypeptide chain. It includes elements such as alpha helices and beta sheets.

- Regular folding patterns: In secondary structure, the polypeptide chain forms repeating patterns like alpha helices (coiled structures) and beta sheets (extended structures).

- Stabilization: The secondary structure is stabilized by hydrogen bonds between the carbonyl oxygen of one amino acid and the amide hydrogen of another amino acid, which creates a regular, repeating pattern.

- Distinct from primary structure: Secondary structure is distinct from the primary structure, which refers to the linear sequence of amino acids in the polypeptide chain.

- Impact of denaturation: When a protein undergoes denaturation, the secondary structure is disrupted due to changes in temperature or pH. This disruption leads to the unfolding of globules and uncoiling of helices, resulting in loss of biological activity.

In summary, the secondary structure of a protein refers to the regular folding patterns of continuous portions of the polypeptide chain and is crucial for the overall three-dimensional structure and function of the protein.
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Read the passage given below and answer the following questions:When a protein in its native form, is subjected to physical changes like change in temperature or chemical changes like change in pH, the hydrogen bonds are disturbed. Due to this, globules unfold and helix get uncoiled and protein loses its biological activity. This is called denaturation of protein.The denaturation causes change in secondary and tertiary structures but primary structures remains intact.Examples of denaturation of protein are coagulation of egg white on boiling, curding of milk, formation of cheese when an acid is added to milk.Q. Secondary structure of protein refers to va)mainly denatured of proteins and structures of prosthetic groupsb)three-dimensional structure, especially the bond between amino acid residues that are distant from each other in the polypeptide chainc)linear sequence of amino acid residues in the polypeptide chaind)regular folding patterns of continuous portions of the polypeptide chain.Correct answer is option 'D'. Can you explain this answer?
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Read the passage given below and answer the following questions:When a protein in its native form, is subjected to physical changes like change in temperature or chemical changes like change in pH, the hydrogen bonds are disturbed. Due to this, globules unfold and helix get uncoiled and protein loses its biological activity. This is called denaturation of protein.The denaturation causes change in secondary and tertiary structures but primary structures remains intact.Examples of denaturation of protein are coagulation of egg white on boiling, curding of milk, formation of cheese when an acid is added to milk.Q. Secondary structure of protein refers to va)mainly denatured of proteins and structures of prosthetic groupsb)three-dimensional structure, especially the bond between amino acid residues that are distant from each other in the polypeptide chainc)linear sequence of amino acid residues in the polypeptide chaind)regular folding patterns of continuous portions of the polypeptide chain.Correct answer is option 'D'. Can you explain this answer? for Class 12 2024 is part of Class 12 preparation. The Question and answers have been prepared according to the Class 12 exam syllabus. Information about Read the passage given below and answer the following questions:When a protein in its native form, is subjected to physical changes like change in temperature or chemical changes like change in pH, the hydrogen bonds are disturbed. Due to this, globules unfold and helix get uncoiled and protein loses its biological activity. This is called denaturation of protein.The denaturation causes change in secondary and tertiary structures but primary structures remains intact.Examples of denaturation of protein are coagulation of egg white on boiling, curding of milk, formation of cheese when an acid is added to milk.Q. Secondary structure of protein refers to va)mainly denatured of proteins and structures of prosthetic groupsb)three-dimensional structure, especially the bond between amino acid residues that are distant from each other in the polypeptide chainc)linear sequence of amino acid residues in the polypeptide chaind)regular folding patterns of continuous portions of the polypeptide chain.Correct answer is option 'D'. Can you explain this answer? covers all topics & solutions for Class 12 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Read the passage given below and answer the following questions:When a protein in its native form, is subjected to physical changes like change in temperature or chemical changes like change in pH, the hydrogen bonds are disturbed. Due to this, globules unfold and helix get uncoiled and protein loses its biological activity. This is called denaturation of protein.The denaturation causes change in secondary and tertiary structures but primary structures remains intact.Examples of denaturation of protein are coagulation of egg white on boiling, curding of milk, formation of cheese when an acid is added to milk.Q. Secondary structure of protein refers to va)mainly denatured of proteins and structures of prosthetic groupsb)three-dimensional structure, especially the bond between amino acid residues that are distant from each other in the polypeptide chainc)linear sequence of amino acid residues in the polypeptide chaind)regular folding patterns of continuous portions of the polypeptide chain.Correct answer is option 'D'. Can you explain this answer?.
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Secondary structure of protein refers to va)mainly denatured of proteins and structures of prosthetic groupsb)three-dimensional structure, especially the bond between amino acid residues that are distant from each other in the polypeptide chainc)linear sequence of amino acid residues in the polypeptide chaind)regular folding patterns of continuous portions of the polypeptide chain.Correct answer is option 'D'. Can you explain this answer? theory, EduRev gives you an ample number of questions to practice Read the passage given below and answer the following questions:When a protein in its native form, is subjected to physical changes like change in temperature or chemical changes like change in pH, the hydrogen bonds are disturbed. Due to this, globules unfold and helix get uncoiled and protein loses its biological activity. 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