Cells are constantly dividing and replacing old or damaged cells.
Explanation:
I think it all of the above
Continental Tropical A) Hot and very dry. Can bring record heat in the summer.
Arctic-Frigid Dry Air B) Can reach -30 to -60 degrees.
Maritime Polar C) Forms over the North Atlantic and North Pacific. Brings cloudy damp weather.
Maritime Tropical D) Cold temperatures and very little precipitation.
Continental Polar E) Warm temperatures and copious moisture. Forms in the Atlantic Ocean and Gulf of Mexico
Hi there! the answer should be “carries an amino acid to its correct codon” :D