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C-terminal WD40 Domain of Tup1 Quiz

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Questions and Answers

Why is quaternary structure important in regulating the biological activity of certain oligomeric proteins?

To favor selection for different combinations of subunits to carry out related functions (correct)
To allow for efficient selection of entirely new monomeric proteins
To allow different proteins to share the same subunits
To duplicate the function of monomeric proteins

Why does evolution favor selection for different combinations of subunits in proteins?

To carry out related functions efficiently (correct)
To create entirely new monomeric proteins
To duplicate the function of monomeric proteins
To allow different proteins to share the same subunits

What is an advantage of selecting different combinations of subunits over creating entirely new monomeric proteins?

Efficiency in carrying out related functions (correct)
Selection for entirely new proteins
Duplication of monomeric protein function
Ability to share subunits between different proteins

Which of the following proteins is cited as an example of sharing subunits in different complexes?

L protein of the mitochondrial glycine cleavage system (D) Signup and view all the answers

What can be said about the L protein's role in various complexes based on the text?

It is a component of multiple protein complexes (A) Signup and view all the answers

How does the L protein's presence in multiple complexes contribute to protein efficiency?

By expanding its use across related protein complexes (C) Signup and view all the answers

What is the main benefit of having proteins with quaternary structures?

Favoring selection for different combinations of subunits for related functions (B) Signup and view all the answers

Why are different combinations of subunits selected over creating entirely new monomeric proteins?

To efficiently carry out related functions (D) Signup and view all the answers

What makes quaternary structures essential for regulating certain oligomeric proteins?

To promote selection for diverse subunit combinations in related functions (C) Signup and view all the answers