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[主观题]
蛋白质的硫酸化在高尔基体中进行,硫酸化反应的硫酸根供体是__________。在酶作用下,硫酸根转移到
肽链中的_____________________上。
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第4题
Which of the following distinguishes the constitutive secretory pathway from the regulated secretory pathway?( )
A.Proteins of the constitutive pathway are synthesized in larger precursor forms
B.Constitutive vesicles are secreted selectively only during development
C.Secretion is signal independent in the constitutive pathway
D.Only constitutive vesicles derive from the trans Golgi network(TGN)
请帮忙给出正确答案和分析,谢谢!
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