What should 7th graders know about cells?
What should 7th graders know about cells? The cell theory is one of the fundamental principles of biology. The original version of the cell theory states: • Cells are the basic unit of life. All living organisms, both unicellular and multicellular, are composed of cells. Cells arise from pre-existing cells. What are the 7 parts of an animal cell? A typical animal cell comprises the following cell organelles:Cell Membrane. A thin semipermeable membrane layer of protein and fats surrounding the cell. Nuclear Membrane. It is a double-membrane structure that surrounds the nucleus. Nucleus. Centrosome. Lysosome (Cell Vesicles) Cytoplasm. Golgi Apparatus....