METABOLISM OF NUCLEIC ACID AND PROTEIN IN THE SUBCELLULAR FRACTIONS OF PUPAL OVARY OF PHILOSAMIA CYNTHIA RICIN1 AND THE EFFECT OF BRAIN HORMONE是什么意思 METABOLISM OF NUCLEIC ACID AND PROTEIN IN THE SUBCELLULAR FRACTIONS OF PUPAL OVARY OF PHILOSAMIA CYNTHIA RICIN1 AND THE EFFECT OF BRAIN HORMONE怎么读