Science Quiz / protein targeting revision

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Protein targeting revision

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questionsAnswer
Which type of protein goes through the ER membrane channels?
what does phosphotransferase do in the golgi?
where does protein tagging for the lysosome take place?
What recognises the signal sequence on the end of a growing polypeptide chain and binds to it, bringing it to a SRP receptor on the ER membrane?
What type of modification happens in both the ER and Golgi?
What allows transport of molecules in and out of the nucleus?
small proteins diffuse into...
which enzymes found in the golgi add sugar residues to enzymes?
A protein to pass through the mitochondrial membrane needs a..
which enzyme cleaves the signal sequence?
proteins within vesicles are...like insulin
where are proteins modified?
which types of proteins do not enter the golgi?
What acts as a postcode to direct proteins to their correct address/ where they need to be?
which types of bonds are formed in the ER
questionsAnswer
What type of modification occurs in the ER?
Which receptor in the golgi directs proteins into vesicles destined to the lysosomes?
which enzyme mutation leads to inclusion cell disease which leads to an untagged protein which therefore does not reach the lysosome?
which molecule helps proteins into the nucleus by acting like a lift?
What does the adding of sugar residues give to proteins, making them an important part of the protein postcode?
what takes the proteins to mitochondria?
for translation to occur at the RER, a ... is needed on the end of the growing polypeptide chain.
mitochondria is the main site of...production
What does the protein need to be transported to the lysosomes?
The nucleus is surrounded by a double membrane known as the...which surrounds the nucleus
what does the protein need to be transported to the nucleus?
In the RER what attaches to the protein to give it it's address in or outside the cell?
which proteins remain as transmembrane segment proteins?
membrane proteins in...end up in the plasma membrane

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