大學(xué)生物課講義ppt模板之噬菌體chapter-資料下載頁(yè)
2025-02-26 10:47本頁(yè)面
【正文】 tosis (“cellular eating”), a cell engulfs a particle and packages it within a food vacuole. ? In pinocytosis (“cellular drinking”), a cell “gulps” droplets of fluid by forming tiny vesicles. Different endocytosis: ? Receptormediated endocytosis is triggered by the binding of external molecules to membrane proteins. Copyright 169。 The McGrawHill Companies, Inc. Permission required for reproduction or display. paramecium solute solute a. Phagocytosis b. Pinocytosis vacuole coated vesicle plasma membrane coated pit c. Receptormediated endocytosis 181。m vesicle vacuole forming pseudopod of amoeba 181。m vesicles forming coated vesicle coated pit receptor protein a(right): 169。 Eric Grave/Phototake。 b(right): 169。 Don W. Fawcett/Photo Researchers, Inc.。 c(both): Courtesy Mark Bretscher The Role of Membranes in Cell Signaling – Cellular munication ? Begins with the reception of an extracellular signal. – The signal transduction pathway ? Consists of proteins and other molecules that relay the signal. Cellular Response Signal Transduction Pathway TRUE or FALSE: Facilitated diffusion requires energy to drive a concentration gradient. 演講完畢，謝謝觀看！
教學(xué)課件相關(guān)推薦
鄂ICP備17016276號(hào)-1