10 Questions
During which stage does a polypeptide lack any stable three-dimensional structure?
Before being translated from mRNA into a linear chain of amino acids
When does the folding of many proteins begin?
During the translation of the polypeptide chain
What is the result of the interaction of amino acids during protein folding?
A well-defined three-dimensional structure
At what point does a polypeptide chain begin to fold into its three-dimensional structure?
While being synthesized by a ribosome
What is the native three-dimensional structure of a protein typically referred to as?
Folded conformation
What is protein folding?
The physical process where a protein chain is translated into its native three-dimensional structure
When does a polypeptide lack any stable three-dimensional structure?
After being translated from a sequence of mRNA into a linear chain of amino acids
When does the folding of many proteins begin?
Even during the translation of the polypeptide chain
What is the initial state of a polypeptide after being translated from mRNA?
Unfolded polypeptide or random coil
When do the amino acids interact to produce a well-defined three-dimensional structure?
During the synthesis of the polypeptide chain
Study Notes
Protein Folding Basics
- A polypeptide lacks any stable three-dimensional structure during the primary structure stage.
- The folding of many proteins begins during the translation of mRNA into a polypeptide chain.
- The result of the interaction of amino acids during protein folding is a well-defined three-dimensional structure.
- A polypeptide chain begins to fold into its three-dimensional structure as soon as it is synthesized.
- The native three-dimensional structure of a protein is typically referred to as its native conformation.
- Protein folding is the process by which a polypeptide chain takes on its native three-dimensional structure.
- A polypeptide lacks any stable three-dimensional structure immediately after being translated from mRNA.
- The folding of many proteins begins during translation, and the amino acids interact to produce a well-defined three-dimensional structure.
- The initial state of a polypeptide after being translated from mRNA is a linear chain of amino acids with no stable three-dimensional structure.
Test your knowledge of protein folding with this quiz! Explore the process of how polypeptides transition from unfolded to folded states, and understand the significance of protein structure in biological function.
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