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Protein Targeting Mechanisms Quiz

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Questions and Answers

What is the purpose of targeting sequences in proteins?

To regulate protein synthesis

To help proteins reach their target site (correct)

To modify proteins for proper-folding

To remove unwanted proteins from the cell

Which category of proteins involves post-translational modifications?

Neither category

Category-1 proteins (correct)

Category-2 proteins

Both categories

Where do proteins synthesized on free ribosomes go?

Nucleus

Cytosol (correct)

Mitochondria

Peroxisome

Which proteins involve co-translational modifications?

Category-2 proteins Signup and view all the answers

Where do proteins initially synthesized on free ribosomes go?

RER membrane Signup and view all the answers

What is the purpose of specific modifications in some proteins?

To modify proteins for proper-folding Signup and view all the answers

Where does synthesis of Category-2 proteins start?

Free ribosomes Signup and view all the answers

What is the difference between Category-1 and Category-2 proteins?

Their location Signup and view all the answers