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6.12AB: Prokaryotic and Eukaryotic Cells Organisms and Environments INSTRUCTIONS: Use the words in the box below to fill in the blanks based on what you have learned about prokaryotic and eukaryotic cells. Words may be used more than once or not used at all. Word Bank cell genetic dead life eukaryotic organisms prokaryotic theory CLOZE 1 The __________________________ was discovered by Robert Hooke in 1665. As scientists investigated cells, they discovered that the cell is the basic unit of ________________________________________. They also found out that all ___________________________________ are composed of one or more cells. The experiments were repeated multiple times and the results were always the same: all living things were made of cells. This became part of the cell ________________________________________________________________. 1 6.12AB: Prokaryotic and Eukaryotic Cells Organisms and Environments INSTRUCTIONS: Use the words in the box below to fill in the blanks based on what you have learned about prokaryotic and eukaryotic cells. Words may be used more than once or not used at all. Word Bank chromosomes DNA organelle prokaryotic rod eukaryotic single larger smaller nucleus square CLOZE 2 Cells that contain membrane-bound organelles are known as _____________________ cells. These cells contain a ____________________, which holds the genetic information. The DNA in eukaryotic cells are found within _____________________________ in the nucleus. __________________________ cells are cells that do not contain a nucleus or other type of membrane-bound organelle. These cells contain ______________________, but this genetic material is not found in a nucleus. Prokaryotic cells are much ________________________ than eukaryotic cells. Bacteria are an example of prokaryotic cells. Bacteria come in three main shapes: ______________________, spherical, or spiral. Prokaryotes are always _________________-celled organisms, while eukaryotes can be unicellular or multicellular. 2