The _____ objective of this study was to investigate whether germ cell-derived proteins leak from STs into IF following toxicant-induced damage to spermatogenesis.
A: primary
B: main
C: chief
D: tertiary
A: primary
B: main
C: chief
D: tertiary
举一反三
- The _____ objective of this study was to investigate whether germ cell-derived proteins leak from STs into IF following toxicant-induced damage to spermatogenesis.
- Which of the tumors is derived from the three germ cell layers? A: Teratoma B: Adenosquamous carcinoma C: Pleomorphic adenoma D: Carcinosarcoma
- In the following cells, which cell is derived from monocytes A: fibroblast B: macrophage C: mast cell D: plasma cell E: fat cell
- All proteins have the primary structure, secondary structure and tertiary structure.
- Diachronic study of word meanings is concerned with how a word develops its ______ meaning from its _____ meaning. ( ) A: primary; derived B: derived; primary C: central; secondary D: secondary; central