Post translational Modifications of Proteins


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question 1 of 3

Which type of post-translational control primarily marks proteins that are located in the cell membrane or are secreted out of the cell?

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1. Which type of reversal post-translational modification can activate or deactivate a protein, depending on which protein is targeted?

2. Which type of enzyme adds a phosphate group to target proteins?

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About This Quiz & Worksheet

This quiz and attached worksheet will help to gauge your understanding of post translational modifications of proteins. Topics that you'll be asked about on the quiz include cells and enzymes.

Quiz & Worksheet Goals

Use these assessment tools to to assess your knowledge of:

  • Post translational control that marks proteins in the cell membrane
  • Type of reversal post translational modification which activates or deactivates a protein
  • Type of enzyme that adds a phosphate group to target proteins
  • Reason that a chain of ubiquitins added to a protein would target proteins
  • Ubiquitylation, phosphorylation, and glycosylation

Skills practiced

This worksheet and quiz let you practice the following skills:

  • Reading comprehension - ensure that you draw the most important information from the post translational modifications of proteins lesson
  • Critical thinking - apply relevant concepts to examine information about chains of ubiquitins in a different light
  • Interpreting information - verify that you can read information regarding phosphorylation and interpret it correctly
  • Knowledge applciation - use your knowledge to answer questions about types of reversal post translational modifications

Additional Learning

To learn more about post translational modifications of proteins, review the lesson which covers the following objectives:

  • Defining post translational modifications
  • Identifying kinase
  • Understanding dephosphorylation and phosphates
  • Identifying other modifications: glycosylation and cleavage