See the below image for the Biology cell structure youtube diagram. Biology: Cell Structure I Nucleus Medical Media. This animation by Nucleus shows you the function of plant and animal cells for middle school and high school biology, including organelles like the nucleus, nucleolus, DNA (chromosomes), ribosomes, mitochondria, etc. Also included are ATP molecules, cytoskeleton, cytoplasm, microtubules, proteins,…
The cell theory, which is one of the fundamental tenets of biology, states that all living things are composed of cells and that cells are the basic units of life. Comment on simran singh’s post Non-cellular life refers …”
If you are interested in understanding how cells are photographed, you might be interested in the Khan videos in “Introduction to the cell” https://www.khanacademy.org/science/high-school-biology/hs-cells , specifically Microscopy. Comment on Katy’s post It is an illustration.