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Questions and Answers
Which of the following is NOT a characteristic of eukaryotic cells?
Which of the following is NOT a characteristic of eukaryotic cells?
What type of organisms are prokaryotes?
What type of organisms are prokaryotes?
What does 'Eu' in eukaryote mean?
What does 'Eu' in eukaryote mean?
True
All cells are not the same because __________ and __________.
All cells are not the same because __________ and __________.
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Prokaryotic cells are larger than eukaryotic cells.
Prokaryotic cells are larger than eukaryotic cells.
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Provide one example of a eukaryotic organism.
Provide one example of a eukaryotic organism.
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What is the primary method of reproduction in prokaryotes?
What is the primary method of reproduction in prokaryotes?
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Study Notes
Introduction to Cells
- All living organisms are composed of cells, which classify into two main categories: prokaryotic and eukaryotic cells.
- Organisms can be unicellular (made of one cell) or multicellular (made of multiple cells).
Prokaryotic Cells
- Prokaryotic cells are unicellular microorganisms.
- They lack a distinct nucleus and membrane-bound organelles.
- Prokaryotic cells are simple, small, and primarily consist of bacteria.
- DNA in prokaryotes is free-floating within the cell.
- Reproduction in prokaryotes is asexual, resulting in exact copies or clones.
Eukaryotic Cells
- Eukaryotic cells can be unicellular or multicellular.
- They have a nucleus and membrane-bound organelles, making them larger and more complex.
- Examples of eukaryotic organisms include animals, plants, fungi, and protists.
- Each organelle within a eukaryotic cell has specific functions that help maintain homeostasis.
- Eukaryotes can reproduce asexually (clones) or sexually (producing variations).
Comparison of Prokaryotic and Eukaryotic Cells
- Prokaryotes are smaller than eukaryotes.
- Prokaryotes lack a nucleus, while eukaryotes possess one.
- Organelles in prokaryotic cells lack membranes, whereas eukaryotic organelles are membrane-bound.
- Prokaryotic DNA is free-floating compared to eukaryotic DNA, which is located in the nucleus.
- Prokaryotic reproduction is entirely asexual, while eukaryotes can reproduce by both asexual and sexual means.
Performance Assignment
- Learners will create a 3D model of a plant, animal, or bacterial cell using recyclable materials to demonstrate understanding of cell structure and function.
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Description
In this lesson, we explore the fundamental differences between prokaryotic and eukaryotic cells. Understanding these two cell types is crucial for grasping key biological concepts. Dive into their structures, functions, and how they contribute to life on Earth.
