Please please I reallly need some help!!!!

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

Question

Please please I reallly need some help!!!!

Question 1

During which stage of translation does translocation usually occur in mammalian cells?

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

Unlock all answers

	a.	subsequently glycosylated by membrane-bound enzymes
	b.	able to associate to membranes
	c.	targeted to the luminal side of the plasma membrane
	d.	targeted to proteasomal degradation
	e.	targeted to the the Endoplasmic Reticulum

	a.	attaches a signal sequence to a growing polypeptide chain before it passes into the rough ER
	b.	removes the initial methionine from a polypeptide chain
	c.	removes a signal sequence from a polypeptide chain after it passes through a channel into the rough ER
	d.	attaches an acetyl group to the 5' end of a polypeptide after removal of the initial methionine

	a.	requirement for protein insertion into membranes
	b.	type of reversible post-translational modification
	c.	frequent consequence of heat denaturation
	d.	type of covalently-linked post-translational modification
	e.	irreversible post-translational modification

	a.	the binding of a protein to a regulatory subunit
	b.	the binding of a regulatory molecule to the active site on an enzyme
	c.	the binding of a regulatory molecule to a site on an enzyme that is distinct from the catalytic site
	d.	the binding of GTP to an enzyme to regulate its function
	e.	the binding of a Ubiquitin-like protein to an enzyme