Cell Structure: Plasma MembraneCity Part: City Wall/Boundary
• Flexible, selectively permeable boundary that helps control what enters and leaves the cell
Cell Structure: Cytoplasm City Part: Lakes, Streams & Rivers
• Semi-fluid material that organelles float in
Cell Structure: CytoskeletonCity Part: Foundations
• Supporting network of long thin protein fibers that form a framework for the cell
• Provides an anchor for the organelles inside the cell
Cell Structure: Nucleus City Part: Mayor’s Office/City Hall
• Directs all cell processes
• Contains cell’s DNA • Center: Nucleolus
(makes ribosomes)
Cell Structure: Endoplasmic Reticulum City Part: Highway/Road System
• Responsible for production of proteins and lipids
• Transports materials • Rough E.R.: contains
ribosomes • Smooth E.R.: no
ribosomes
Cell Structure: Golgi Apparatus City Part: Post Office
• Modifies, sorts, and packages proteins into sacs called vesicles
Cell Structure: Vacuole City Part: Storage Units
• Sac used to store food, enzymes, and other materials within the cytoplasm
Cell Structure: Lysosome City Part: Garbage Company
• Digests worn-out or extra organelles and food particles
Cell Structure: Mitochondria City Part: Power Plant
• Generates energy for the cell
• Converts fuel particles into usable energy
Cell Structure: Chloroplast City Part: Solar Power Plant
• Captures light energy and converts it into chemical energy through a process known as photosynthesis
• Plant cells only