Cells

Types and Organelles

Types of Cells

There are two main types of cells: prokaryotic and eukaryotic. ALL cells have cell membranes, cytoplasm, DNA, and ribosomes.

Prokaryotic cells have DNA loose in the cytoplasm and eukaryotic cells have the DNA surrounded by a nucleus.

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Plant vs. Animal Cells

Organelles

There are a number of organelles present in eukaryotic cells. These organelles work together to help the cell carry out three main jobs:


  • to make energy
  • to make proteins
  • to make more cells
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Ribosomes

Ribosomes are the small grainy organelles found in ALL cells. They are protein factories.