Proteins can be regulated by removing phosphate groups that modify specific amino acids in their sequences. This removal activity is exerted by

a.
Protein Phosphoproteases

b.
Protein Phosphatases

c.
Protein Kinases

d.
Protein Phosphorylases

Proteolytic processing is a(n)

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

1 points

QUESTION 8

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.
Ubiquinone

c.
Disulfide Isomerase

d.
Signal Peptidase

e.
Glutathione

Question

Proteins can be regulated by removing phosphate groups that modify specific amino acids in their sequences. This removal activity is exerted by

Proteolytic processing is a(n)

	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

1 points

QUESTION 8

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.	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

	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