The enzyme polyadenylate polymerase catalyzes the addition of adenosine
monophosphate to the 3'ends of mRNAs to form a poly-A tail If the enzyme were
blocked so that it could not function, the result would be.

A.) increased mRNA stability in eukaryotes and decreased mRNA stability in
prokaryotes

B.) no effect in eukaryotes and decreased mRNA stability in prokaryotes

C.) no effect in eukaryotes and increased mRNA stability in prokaryotes

D.) decreased mRNA stability in eukaryotes and no effect in prokaryotes

Which plate boundary causes plates to collide forming mountain ranges, volcanoes, and island arcs? give an example of this type of plate boundary. 2. at which plate boundary do rifts and mid-oceans ridges form? give an example of this type of plate boundary. 3. at which plate boundary do plates slide past each other while moving in opposite directions? give an example of this type of boundary.

What is a difference between systemic and pulmonary circulation? a. systemic circulation carries oxygenated blood to the lungs and pulmonary circulation carries deoxygenated blood to the body. b. systemic circulation carries deoxygenated blood to the lungs and pulmonary circulation carries oxygenated blood to the body. c. systemic circulation carries deoxygenated blood to the body and pulmonary circulation carries oxygenated blood to the lungs. d. systemic circulation carries oxygenated blood to the body and pulmonary circulation carries deoxygenated blood to the lungs.

Hairs that clean dirt out of the air in your nasal passages are called: a. sinus b. trachea c. cilia d. mucus