3: Organization at the Cellular Level Last updated Jun 23, 2019 Save as PDF 2.4C: Dehydration Synthesis 3.1: Introduction to the Study of Cells Page ID7131 ( \newcommand{\kernel}{\mathrm{null}\,}\) 3.1: Introduction to the Study of Cells3.1A: Cells as the Basic Unit of Life3.2: Cell Membranes and the Fluid Mosaic Model3.2A: Components of Plasma Membranes3.2B: Fluid Mosaic Model3.2C: Membrane Fluidity3.3: Transport Across Membranes3.3A: Diffusion3.3B: Osmosis3.3C: Tonicity3.3D: Facilitated transport3.3E: The Role of Passive Transport3.3F: Primary Active Transport3.3G: Electrochemical Gradient3.3H: Secondary Active Transport3.3I: Endocytosis3.4: Cell Signaling3.4A: Types of Receptors3.5: The Nucleus and Ribosomes3.5A: The Nucleus and Ribosomes3.5B: Characteristics of Eukaryotic Cells3.6: Organelles3.6A: The Plasma Membrane and the Cytoplasm3.6B: The Endoplasmic Reticulum3.6C: The Golgi Apparatus3.6D: Lysosomes3.6E: Peroxisomes3.6F: Mitochondria3.7: The Cytoskeleton3.7A: Intermediate Filaments and Microtubules3.7B: Microfilaments3.8: External Cellular Components3.8A: Extracellular Matrix of Animal Cells3.8B: Intercellular Junctions