Solved

A Certain Effector Protein Can Be Activated by Phosphorylation at a Key

Question 50

Short Answer

A certain effector protein can be activated by phosphorylation at a key tyrosine residue. An upstream kinase rapidly phosphorylates this tyrosine in the presence of a signal. However, the kinase also phosphorylates and activates a slow-acting phosphatase that can dephosphorylate the phosphotyrosine. Which curve in the following graph would you expect to represent the activity of the effector molecule over time? The input signal is present during the period indicated in gray. The dashed line represents the response in the absence of the phosphatase. A certain effector protein can be activated by phosphorylation at a key tyrosine residue. An upstream kinase rapidly phosphorylates this tyrosine in the presence of a signal. However, the kinase also phosphorylates and activates a slow-acting phosphatase that can dephosphorylate the phosphotyrosine. Which curve in the following graph would you expect to represent the activity of the effector molecule over time? The input signal is present during the period indicated in gray. The dashed line represents the response in the absence of the phosphatase.

Correct Answer:

verifed

Verified

The upstream kinase both acti...

View Answer

Unlock this answer now
Get Access to more Verified Answers free of charge

Related Questions

Q45: In which of the following schematic drawings

Q46: In the following simplified diagram of the

Q47: Cells can adapt to extracellular signal molecules

Q48: Which of the following is NOT part

Q49: Fill in the blank in the following

Q51: Sort the following events to reflect the

Q52: Which of the following molecular mechanisms is

Q53: Which of the following represents the active

Q54: PI 3-kinase ...<br>A) is a membrane-associated tyrosine

Q55: Activated STATs can induce the expression of