Endomembrane system and organelle transport (1)

Front

What is the process of adding an acetyl group to the N-terminus of a protein called?

Back

N-terminal Acetylation

Front

Which modification involves the removal of a signal peptide?

Back

Signal Peptide Cleavage

Front

What type of bond forms between cysteine residues during protein folding?

Back

Disulfide Bonds

Front

Which modification is characterized by the addition of a phosphate group?

Back

Phosphorylation

Front

What is the main role of molecular chaperones in the ER? Options: Transporting proteins to the Golgi, Degrading misfolded proteins, Assisting in protein folding, Modifying protein structures

Back

Assisting in protein folding

Front

Which enzyme is responsible for forming and rearranging disulfide bonds? Options: BiP, Protein Disulfide Isomerase (PDI), Chaperonin, Ubiquitin Ligase

Back

Protein Disulfide Isomerase (PDI)

Front

What does the Unfolded Protein Response (UPR) do?

Back

Detects misfolded proteins

Front

Which modification involves the attachment of ubiquitin proteins?

Back

Ubiquitination

Front

What is the role of BiP in the protein folding cycle?

Back

To stabilize hydrophobic regions

Front

What type of glycosylation occurs on oxygen atoms in serine or threonine residues?

Back

O-linked Glycosylation