The miRNAs in a cell:
1. are found in prokaryotic cells.
2. are a part of the eukaryotic ribosome.
3. are a part of the prokaryotic ribosome.
4. allow different cells to produce different proteins.
5. are responsible for inducing operons.

d) center of the mid-ocean ridge

give brainleysest

sinserly,

steckh986

answer: accepted answer: aquatic animals use the oxygen dissolved in water to carry out respiration. since the amount of dissolved oxygen in water is low as compared to the amount of oxygen in the air, therefore the rate of breathing in aquatic animals is much faster than it is in terrestrial animals.

explanation:

trachea, alveoli, lung capillaries, arteries