#Question id: 860
#Unit 1. Molecules and their Interaction Relevant to Biology
Select true ‘T’ AND false ‘F’ about ubiquitinylation
I. These ubiquitin-like modifiers control processes as diverse as nuclear import,
II. Regulated by the ubiquitin-like modifier Sumo, and autophagy,
III. Regulated by the ubiquitin-like modifier Atg8.
IV. For a protein to be efficiently degraded, it must be linked to a chain of at least four tandemly linked ubiquitin molecules in which Lys 34 of each ubiquitin forms an isopeptide bond with the C-terminal carboxyl group of the following ubiquitin.
#Question id: 654
#Unit 1. Molecules and their Interaction Relevant to Biology
Which pair represents different conformations?
#Question id: 655
#Unit 1. Molecules and their Interaction Relevant to Biology
A change from one conformation of a molecule to another involves ________.
#Question id: 656
#Unit 1. Molecules and their Interaction Relevant to Biology
The ________ is the single shape a protein adopts under physiological conditions.
#Question id: 657
#Unit 1. Molecules and their Interaction Relevant to Biology
Structural proteins that typically assemble into large cables or threads to provide mechanical support to cells or organisms are classified as ________ proteins.
#Question id: 658
#Unit 1. Molecules and their Interaction Relevant to Biology
To what level of structure do α-helices belong?