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Advances in Business Education and TrainingStudies carried out over the last 30 years have established the basic biological functions of the hormone secreted by the androgenic gland of higher crustaceans , but have not yet been able to reveal the chemical nature of this hormone.心痛 发表于 2025-3-30 13:44:42
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The Psychology of Music Learningollusc .. Our lab has purified three peptides that initiate egg-laying and the primary structure of these peptides has been determined . Recently, the genes for these three peptides have been cloned by Scheller et al. . The nucleotide sequences confirm the primary structure data obtained on