Complex sentence: However Porter and Ashford wrongly interpreted their data as lysosomes being formed (ignoring the pre-existing organelles), lysosomes could not be cell organelles but part of cytoplasm such as mitochondria, and that hydrolytic enzymes were produced by microbodies.
Split into simpler sentences: However Porter and Ashford wrongly interpreted their data as lysosome formation (ignoring the pre-existing organelles). Lysosomes could not be cell organelles, but part of cytoplasm such as mitochondria, and that hydrolytic enzymes were produced by microbodies.