plant and animal cells by gaaine hwang

Cells are the smallest structural and functional unit of any organism, they are the basic 'building blocks' of all living things. Every human, every plant and animal is made up of trillions of cells.

the cell theory

  1. all organisms are composed of one or more cells.
  2. the cell is the basic unit of structure and organization in organisms.
  3. all cells come from pre-existing cells.

The above is the three are the parts of what we know today as the cell theory. In biology, the cell theory is a scientific theory that describes the basic properties of a cell. The cell theory is credited to the following; Theodor Schwann and Matthias Jakob Schleiden, scientists from the 1830's.

plant cells

Plant cells are a type of eukaryotic cell that are found in the organisms only within the Plant Kingdom. A eukaryotic organism is one whose cells contain a nucleus and other organelles enclosed within membranes.

Plant cells are vastly different from animals cells, they contain chloroplast. This is a plastid in green plant cells which contains chlorophyll and in which photosynthesis takes place. Photosynthesis can only be performed by plants. This is the act of plants taking in carbon dioxide from the air and producing oxygen for humans to breathe.

organelles within a typical plant cell

Cell membrane, Cell wall, Nuclear membrane, Plasmodesma, Vacuole, Plastid, Chloroplast, Leucoplast, Chromoplast, Golgi Bodies, Cytoplasm, Nucleus, Chromatin, Cytoskeleton, Nucleolus, Mitochondrion.

animal cells

An animal cell is a type of cell that dominates most of the tissue cells in animals. Animal cells are different from plant cells because they don't have cell walls and chloroplasts, which is why animals are not able to perform photosynthesis.

organelles within a typical animal cell

Nucleolus, Nucleus, Ribosome, Vesicle, Rough endoplasmic reticulum, Golgi apparatus, Cytoskeleton, Smooth endoplasmic reticulum, Mitochondrion, Vacuole, Cytosol, Lysosome, Centrosome, Cell membrane.

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