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Questions and Answers
What type of cells lack a distinct nucleus?
What type of cells lack a distinct nucleus?
Eukaryotic cells contain various membrane-bound organelles.
Eukaryotic cells contain various membrane-bound organelles.
True
What is the typical size range of prokaryotic cells?
What is the typical size range of prokaryotic cells?
0.1 to 5.0 micrometers
Prokaryotic cells reproduce through a process called ______.
Prokaryotic cells reproduce through a process called ______.
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Name one example of a prokaryotic cell.
Name one example of a prokaryotic cell.
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Which of these characteristics apply to eukaryotic cells? (Select all that apply)
Which of these characteristics apply to eukaryotic cells? (Select all that apply)
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What are plasmids?
What are plasmids?
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Eukaryotic cells are generally simpler and smaller than prokaryotic cells.
Eukaryotic cells are generally simpler and smaller than prokaryotic cells.
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Eukaryotic cells divide through mitosis and ______ to produce gametes.
Eukaryotic cells divide through mitosis and ______ to produce gametes.
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Which statement accurately describes a key difference between eukaryotic and prokaryotic cells?
Which statement accurately describes a key difference between eukaryotic and prokaryotic cells?
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What is the typical method of reproduction for prokaryotic cells?
What is the typical method of reproduction for prokaryotic cells?
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Which feature is NOT typically associated with prokaryotic cells?
Which feature is NOT typically associated with prokaryotic cells?
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In what size range do eukaryotic cells typically fall?
In what size range do eukaryotic cells typically fall?
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Which process do eukaryotic cells utilize for normal growth and cellular repair?
Which process do eukaryotic cells utilize for normal growth and cellular repair?
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Which of these statements is true regarding the complexity of eukaryotic cells as compared to prokaryotic cells?
Which of these statements is true regarding the complexity of eukaryotic cells as compared to prokaryotic cells?
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Which characteristic is specifically associated with prokaryotic cells?
Which characteristic is specifically associated with prokaryotic cells?
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Which organism type does not include eukaryotic cells?
Which organism type does not include eukaryotic cells?
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What distinguishes eukaryotic cells from prokaryotic cells in terms of chromosome structure?
What distinguishes eukaryotic cells from prokaryotic cells in terms of chromosome structure?
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Which feature is essential for integrating interactive elements into a 3D cell model?
Which feature is essential for integrating interactive elements into a 3D cell model?
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During the initial project phase, what is the focus of teams when preparing their 3D cell model?
During the initial project phase, what is the focus of teams when preparing their 3D cell model?
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What primary educational goal is aimed for in constructing the 3D cell model?
What primary educational goal is aimed for in constructing the 3D cell model?
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What role do sensors and LEDs play in the 3D cell model project?
What role do sensors and LEDs play in the 3D cell model project?
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Which of the following best describes the audience targeted by the 3D cell model presentations?
Which of the following best describes the audience targeted by the 3D cell model presentations?
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What is NOT a requirement for the 3D cell model project?
What is NOT a requirement for the 3D cell model project?
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What kind of thinking is encouraged by integrating Arduino or Raspberry Pi in the model?
What kind of thinking is encouraged by integrating Arduino or Raspberry Pi in the model?
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Study Notes
Prokaryotic vs. Eukaryotic Cells
- Prokaryotes lack a distinct nucleus and other membrane-bound organelles.
- Eukaryotes have a well-defined nucleus and various membrane-bound organelles.
- Prokaryotic cells are simpler, smaller, and more primitive.
- Eukaryotic cells are more complex and larger.
Prokaryotic Cells
- DNA is found in a region called the nucleoid.
- Cell wall is a rigid structure that surrounds the plasma membrane.
- Size is typically small, usually ranging from 0.1 to 5.0 micrometers in diameter.
- Organelles are simple structures like ribosomes for protein synthesis.
- Reproduction occurs through binary fission.
- Plasmids are small, circular, extrachromosomal DNA molecules that can carry genes for things like antibiotic resistance.
- Examples: E. coli (Escherichia coli), Streptococcus pneumoniae, Salmonella enterica, Staphylococcus aureus.
Eukaryotic Cells
- Membrane-bound Nucleus encloses the cell's DNA.
- Organelles are various membrane-bound structures with specific functions.
- Size and Complexity are larger (10-100 micrometers in diameter) and have a more complex internal structure.
- Cell Division occurs through mitosis for normal growth and repair, and meiosis for producing gametes.
- Chromosomes are multiple, linear chromosomes contained within the nucleus.
Challenge Statement
- Goal: Construct a 3D model of a plant, animal, or bacterial cell using recyclable materials.
- Role: You are a scientist and environmentalist creating an educational tool to teach others about cell biology while promoting recycling.
- Audience: Includes classmates, teachers, visitors to a school science exhibition, and grade school learners.
- Situation: Use recyclable materials to create an engaging and informative 3D cell model. Integrate Arduino or Raspberry Pi to add interactive features.
- Product: Create a 3D plant, animal, or bacterial cell model using recyclable materials. Add at least one interactive feature using Arduino or Raspberry Pi. Present your model at a science exhibition.
Milestone No. 1
- Teams research cell organelles and processes, develop analogies for grade school students, and draft initial designs for the 3D model.
- Outcomes: Research summaries, analogy drafts, and model design sketches.
Prokaryotic Cells
- Lack a distinct nucleus and membrane bound organelles
- Simple, smaller, and more primitive than eukaryotic cells
Eukaryotic Cells
- Contain a well defined, membrane bound nucleus and various specialized organelles
- More complex and larger than prokaryotic cells
- Found in a variety of organisms, including animals, plants, fungi, and protists
Prokaryotic Cells Key Features
- DNA is found in a region called the nucleoid
- Have a rigid cell wall that surrounds the plasma membrane
- Typically small, usually ranging from 0.1 to 5.0 micrometers in diameter
- Lack membrane-bound organelles, instead, they have simpler structures like ribosomes for protein synthesis
- Reproduce through a process called binary fission
- Have small, circular and extrachromosomal DNA molecules called plasmids which can carry genes for things like antibiotic resistance
Prokaryotic Cells Examples
- E. coli (Escherichia coli)
- Streptococcus pneumoniae
- Salmonella enterica
- Staphylococcus aureus
Eukaryotic Cells Key Features
- Contain a nucleus that is surrounded by a double membrane, which encloses the cell's DNA
- Contain various membrane-bound organelles, each with specific functions
- Larger (10-100 micrometers in diameter) and have a more complex internal structure than prokaryotic cells
- Divide by two processes, mitosis for normal growth and repair, producing two genetically identical daughter cells, and meiosis that produces gametes, leading to genetic variation
- Have multiple linear chromosomes contained within the nucleus unlike prokaryotes, which have a single circular chromosome
STEM Student Career Considerations
- Knowledge of prokaryotic and eukaryotic cells is helpful for future careers in the STEM field
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Description
Test your knowledge on the differences between prokaryotic and eukaryotic cells. This quiz covers key characteristics, structures, and examples of each cell type. Enhance your understanding of cellular biology.
