Why do cells need both trna and mrna?

only mrna can be used to repair mistakes in the dna sequence.
only trna bends into a shape that can carry specific amino acids.
the trna in used on the ribosomes and the mrna is used in the nucleus.

the mrna brings information to the nucleus for the trna to use.

An organ system consists of a group of organs that performs specific functions necessary for the survival of an organism. humans have eleven different organ systems: integumentary, skeletal, muscular, nervous, endocrine, circulatory, lymphatic, respiratory, digestive, urinary, and reproductive. discuss the function of neurons, the brain and the spinal cord within the human nervous system while explaining the interrelationship of each organ.

Name the organs of humanelemintary canal.

The diagram shows the layers of earth. convection currents in which region influence the movement of tectonic plates