Question 1

during which stage of translation does translocation usually occur in mammalian cells?
a.

initiation
b.

elongation
c.

termination
d.

binding

question 2

the attachment of lipids to proteins usually allows the proteins to be anchored at the endoplasmic reticulum

true

false

question 3

n-linked glycosylation attaches a complex carbohydrate onto the
a.

amino group of asparagine
b.

free amino group at the amino terminal end of the polypeptide
c.

hydroxyl group of serine
d.

amino group of lysine

question 4

most glycoproteins in eukaryotic cells are destined for incorporation into the nuclear membrane

true

false

question 5

in a major protein degradation pathway in the cell, a short polypeptide called is attached to a protein to target it for destruction
a.

ubiquitin
b.

signal peptidase
c.

disulfide isomerase
d.

glutathione
e.

ubiquinone