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Questions and Answers
What defines a prokaryotic cell?
What defines a prokaryotic cell?
- It is a unicellular organism without organelles. (correct)
- It has DNA protected within a membrane.
- It can be part of multicellular organisms.
- It contains a nucleus and membrane-bound organelles.
Which of the following is a characteristic of eukaryotic cells?
Which of the following is a characteristic of eukaryotic cells?
- They are always unicellular.
- They contain organelles. (correct)
- They do not have DNA.
- They lack a nucleus.
What role do organelles play in a cell?
What role do organelles play in a cell?
- They carry out specific functions for the cell. (correct)
- They protect the DNA from external damage.
- They are the energy source of the cell.
- They are responsible for cell division only.
Which of the following cells is an example of a prokaryotic cell?
Which of the following cells is an example of a prokaryotic cell?
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What defines all eukaryotic cells?
What defines all eukaryotic cells?
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Which statement is true about prokaryotic and eukaryotic cells?
Which statement is true about prokaryotic and eukaryotic cells?
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Which of the following is NOT a characteristic of prokaryotic cells?
Which of the following is NOT a characteristic of prokaryotic cells?
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What is the primary function of a cell membrane?
What is the primary function of a cell membrane?
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Which cells are classified as eukaryotic?
Which cells are classified as eukaryotic?
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In what way do prokaryotic and eukaryotic cells share similarities?
In what way do prokaryotic and eukaryotic cells share similarities?
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Study Notes
Cell Types
- Prokaryotic cells are unicellular organisms that lack internal membrane-bound structures, including a nucleus.
- Eukaryotic cells have a nucleus and organelles, enclosed by a plasma membrane.
- Organelles are like mini-organs for a cell, each carrying out specific jobs.
- Bacteria cells are prokaryotic.
- Plant and animal cells are eukaryotic.
Similarities
- Both prokaryotic and eukaryotic cells have DNA.
- Both have cytoplasm.
- Both are enclosed by a cell membrane.
Differences
- Prokaryotic cells lack a nucleus and membrane-bound organelles.
- Eukaryotic cells have a nucleus and membrane-bound organelles.
- Prokaryotic DNA is not protected within a nucleus. Eukaryotic DNA is protected within a nucleus.
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