Podcast
Questions and Answers
What percentage of the lens is composed of protein at the molecular level?
What percentage of the lens is composed of protein at the molecular level?
- 95%
- 80%
- 90% (correct)
- 70%
What is the primary function of alpha-crystallin in the lens?
What is the primary function of alpha-crystallin in the lens?
- To facilitate the transmission of light
- To act as a chaperone and protect target proteins from stress (correct)
- To regulate the refractive index of the lens
- To provide structural support to the lens
What determines the specific patterns of twisting and folding of proteins in the lens?
What determines the specific patterns of twisting and folding of proteins in the lens?
- The sequence of nucleotides in the DNA
- The 3D structure of the protein
- The molecular weight of the protein
- The sequence of amino acids in the protein (correct)
Which technique is most commonly used to determine the 3D structure of crystallin proteins?
Which technique is most commonly used to determine the 3D structure of crystallin proteins?
What is a common characteristic shared by alpha, beta, and gamma crystallin proteins?
What is a common characteristic shared by alpha, beta, and gamma crystallin proteins?
What is the significance of the shared characteristics among alpha, beta, and gamma crystallin proteins?
What is the significance of the shared characteristics among alpha, beta, and gamma crystallin proteins?
What is the primary reason for the transparent nature of the lens?
What is the primary reason for the transparent nature of the lens?
What is the characteristic of the aggregate formed by gamma crystallin?
What is the characteristic of the aggregate formed by gamma crystallin?
What is the effect of disturbed packing of crystallins on light transmission?
What is the effect of disturbed packing of crystallins on light transmission?
What is the characteristic of the secondary structure of alpha crystallin?
What is the characteristic of the secondary structure of alpha crystallin?
What is the reason for the high density of crystallins in lens cells?
What is the reason for the high density of crystallins in lens cells?
What is the effect of the presence of enough crystallins in lens cells?
What is the effect of the presence of enough crystallins in lens cells?
What is the role of α-crystallin in maintaining lens transparency?
What is the role of α-crystallin in maintaining lens transparency?
What is the characteristic of the dynamic quaternary structure of α-crystallin?
What is the characteristic of the dynamic quaternary structure of α-crystallin?
What is the advantage of using contrast variation in Small Angle Neutron Scattering (SANS)?
What is the advantage of using contrast variation in Small Angle Neutron Scattering (SANS)?
What is the characteristic of α-crystallin aggregates?
What is the characteristic of α-crystallin aggregates?
What is the function of α-crystallin in response to denatured proteins?
What is the function of α-crystallin in response to denatured proteins?
What is the molecular weight of α-crystallin?
What is the molecular weight of α-crystallin?
Flashcards are hidden until you start studying