Protein Binding and Interaction Quiz

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What is the term for the substance bound by a protein, whether it is an ion, a small molecule, or a macromolecule?

Cofactor

Coenzyme

Ligand (correct)

Enzyme

How do proteins mainly interact with each other based on the text?

By matching rigid surfaces (correct)

Via hydrogen bonds

By sharing electrons

Through covalent bonds

What type of molecules can tightly bound molecules add to proteins, providing extra functions?

Cofactors (correct)

Isotopes

Radioactive molecules

Inhibitors

In noncovalent interactions between macromolecules, what happens when colliding molecules have poorly matching surfaces?

Few noncovalent bonds form Signup and view all the answers

What is the role of biotin in enzymes according to the text?

It aids in substrate-enzyme binding Signup and view all the answers

Which enzyme catalyzes the removal of a phosphate group from a protein?

Protein phosphatase Signup and view all the answers

What is the role of GTPase-activating protein (GAP) in the regulation of GTP-binding proteins?

Determines whether GTP or GDP is bound Signup and view all the answers

What type of proteins walk along microtubules?

Kinesin Signup and view all the answers

What drives the transition in a walking motor protein that makes the cycle essentially irreversible?

ATP hydrolysis Signup and view all the answers

What is the function of allosteric 'walking' proteins in cells?

Regulate enzyme activities Signup and view all the answers

Protein Binding and Interaction Quiz

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Questions and Answers

What is the term for the substance bound by a protein, whether it is an ion, a small molecule, or a macromolecule?

How do proteins mainly interact with each other based on the text?

What type of molecules can tightly bound molecules add to proteins, providing extra functions?

In noncovalent interactions between macromolecules, what happens when colliding molecules have poorly matching surfaces?

What is the role of biotin in enzymes according to the text?

Which enzyme catalyzes the removal of a phosphate group from a protein?

What is the role of GTPase-activating protein (GAP) in the regulation of GTP-binding proteins?

What type of proteins walk along microtubules?

What drives the transition in a walking motor protein that makes the cycle essentially irreversible?

What is the function of allosteric 'walking' proteins in cells?

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PHYSPHAR_MODULE3B_Protein Binding

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