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Questions and Answers
What stabilizes the folded structure of a protein?
What stabilizes the folded structure of a protein?
- Peptide bonds
- RNA sequences
- Phospholipid bilayers
- Noncovalent interactions (correct)
What is the term for the compact three-dimensional regions in the structure of a protein?
What is the term for the compact three-dimensional regions in the structure of a protein?
- Amino acid sequence
- Enzyme substrate
- Protein domains (correct)
- Polypeptide backbone
What do we call a protein that catalyzes the formation or breakage of a specific covalent bond in a ligand?
What do we call a protein that catalyzes the formation or breakage of a specific covalent bond in a ligand?
- Substrate
- Enzyme (correct)
- Polypeptide
- Hydrogen bond
What induces a significant change in protein shape outside of the active site of an enzyme?
What induces a significant change in protein shape outside of the active site of an enzyme?
What is the term for the regulation of an enzyme by the binding of one of the pathway's end products?
What is the term for the regulation of an enzyme by the binding of one of the pathway's end products?
Which type of proteins act as molecular switches that are active with GTP bound and inactive with GDP bound?
Which type of proteins act as molecular switches that are active with GTP bound and inactive with GDP bound?
What type of proteins can exist in two conformations that differ in catalytic activity and can be turned on or off by ligands?
What type of proteins can exist in two conformations that differ in catalytic activity and can be turned on or off by ligands?
Which process controls the location and function of a protein and can serve as docking sites for other proteins?
Which process controls the location and function of a protein and can serve as docking sites for other proteins?
What type of protein machines are formed by assemblies of allosteric proteins to perform complex functions?
What type of protein machines are formed by assemblies of allosteric proteins to perform complex functions?
What forms as phase-separated biomolecular condensates, speeding important reactions and confining them to specific regions of the cell?
What forms as phase-separated biomolecular condensates, speeding important reactions and confining them to specific regions of the cell?
What is the term for the unique amino acid sequence of a protein that determines its three-dimensional shape and biological activity?
What is the term for the unique amino acid sequence of a protein that determines its three-dimensional shape and biological activity?
Which type of interaction stabilizes the folded structure of a protein through hydrogen bonds between neighboring regions of the polypeptide backbone?
Which type of interaction stabilizes the folded structure of a protein through hydrogen bonds between neighboring regions of the polypeptide backbone?
What do we call the small ligands that can induce a significant change in protein shape outside of the active site of an enzyme?
What do we call the small ligands that can induce a significant change in protein shape outside of the active site of an enzyme?
What term is used for the compact three-dimensional regions within the structure of a protein, which are known to exist as independent folding units?
What term is used for the compact three-dimensional regions within the structure of a protein, which are known to exist as independent folding units?
What type of regulation involves an enzyme being inhibited by the binding of one of the pathway's end products?
What type of regulation involves an enzyme being inhibited by the binding of one of the pathway's end products?
Which proteins act as molecular switches, being active when GTP is bound and inactive when GDP is bound?
Which proteins act as molecular switches, being active when GTP is bound and inactive when GDP is bound?
What type of proteins form highly efficient protein machines through coordinated conformational changes?
What type of proteins form highly efficient protein machines through coordinated conformational changes?
What controls the location and function of a protein and can serve as docking sites for other proteins?
What controls the location and function of a protein and can serve as docking sites for other proteins?
What produces directed movement in eukaryotic cells through conformational changes linked to the hydrolysis of a tightly bound molecule of ATP to ADP?
What produces directed movement in eukaryotic cells through conformational changes linked to the hydrolysis of a tightly bound molecule of ATP to ADP?
What form as phase-separated biomolecular condensates, speeding important reactions and confining them to specific regions of the cell?
What form as phase-separated biomolecular condensates, speeding important reactions and confining them to specific regions of the cell?
