Using complete sentences, explain how materials and messages enter or leave a cell. Be sure to use the words active transport. passive transport . semi-permeable membrane, intercellular communication.​

Accuracy in the translation of mrna into the sequence of amino acids in a polypeptide depends on specificity in which of the following? 1) binding of ribosomes to mrna 2) shape of the a and p sites of ribosomes 3) attachment of amino acids to trnas 4) bonding of the anticodon the codon and the attachment of amino acids to trnas