in an animal cell, which two cell structures do newly-synthesised enzymes have to pass through to reach the external environment?

Ribosomes, Cell membrane

Explanation:

Ribosomes can be described as structures that are involved in the manufacture  of proteins. Ribosomes are hence known to be the protein manufacturing units of a cell. As enzymes are also proteins,they will be unified  in the ribosomes.Cell membrane can be described as the membrane which is  outside the cell or which divides the cell from the external environment.

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