Receptor-Mediated Endocytosis Receptor-Mediated Endocytosis 1 Introduction 2 Question How are the high-molecular- weight yolk (卵黄)proteins able to enter the oocyte(卵母细胞)?…
DAV I D J . S T E PHENS T ogether with other extracellular proteins, collagen provides the structural frame- work on which tissues develop and function. It is synthesized…