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Which of the following correctly describes how epithelial tissues gets nourishment?

From blood vessels deep to the basal layer.

Epithelial tissue does not need nourishment, it is dead.

From blood vessels scattered throughout the cells.

From the air surrounding the apical surface.

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The empty trna moves off and picks up another matching amino acid from the cytoplasm in the cell. the anticodon of the trna, with its attached amino acid, pairs to the codon of the mrna, which is attached to a ribosome. this sequence is repeated until the ribosome reaches a stop codon on the mrna, which signals the end of protein synthesis. the ribosome forms a peptide bond between the amino acids, and an amino acid chain begins to form. when a second trna with its specific amino acid pairs to the next codon in sequence, the attached amino acid breaks from the first trna and is bonded to the amino acid of the second trna.

All ova contain sex chromosomes corresponding to: x y xx xy