The role of protein phosphatases in the cell is to
a. hydrolyze atp and gtp to adp and gdp
b. remove phosphoryl groups from proteins
c. transfer phosphoryl groups from atp to target proteins
d. activate pi-3-kinase
e. none of the above

Explain what role the narrator believes he is playing in telling the story. describe how this belief will affect the story. your answer should be at least 250 words.

According to the rna world hypothesis, rna acted as the genetic material and catalyzed reactions in ancient cells. what conclusion can you draw from this?               a.  this implies that dna and proteins aren't essential in cells today.    b.  this implies that rna can catalyze any chemical reaction that enzymes catalyze.    c.  this implies that if a cell has a problem with its dna, its rna can compensate for the damaged dna.    d.  this implies that dna and proteins evolved after rna.

Where would an earthquakes epicenter be in this diagram