胰蛋白酶消化液用下列哪种平衡盐溶液配制() A: EDTA-2Na B: Earle C: Hanks D: PBS
胰蛋白酶消化液用下列哪种平衡盐溶液配制() A: EDTA-2Na B: Earle C: Hanks D: PBS
用于动物细胞培养的培养液是什么? A: DMEM B: Earle液 C: PBS液 D: Hanks液
用于动物细胞培养的培养液是什么? A: DMEM B: Earle液 C: PBS液 D: Hanks液
"Take me home, country roads" was sung by_______. A: Jimmie Rodgers B: The Carter Family C: John Denver D: Steve Earle
"Take me home, country roads" was sung by_______. A: Jimmie Rodgers B: The Carter Family C: John Denver D: Steve Earle
细胞学说是由（ ）提出来的。 A: Haberlandt 和Hanning B: Crick 和Watson C: Schleiden和Schwann D: Earle和Gay
细胞学说是由（ ）提出来的。 A: Haberlandt 和Hanning B: Crick 和Watson C: Schleiden和Schwann D: Earle和Gay
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