Post Translational Modifications Practice Problems

Which of the following processes in which a phosphate group is added to a molecule, can activate or deactivate an enzyme, change the protein's conformation, or alter its binding affinity for other molecules?

Which of the following is NOT a post-translational modification?

Which of the following post-translational modifications marks the protein for degradation?

What protein assists in the correct folding of polypeptide chains into functional conformations?

What is the primary function of signal sequences?

What enzyme adds phosphate groups to proteins, altering their activities and interactions?