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Which of the following statements is true about prokaryotic cells?
- a)They have a nucleus.
- b)They lack a cell membrane.
- c)They are found only in animals.
- d)They are generally larger than eukaryotic cells.
Correct answer is option 'A'. Can you explain this answer?
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Which of the following statements is true about prokaryotic cells?a)Th...
Prokaryotic cells lack a true nucleus, which means their genetic material is not enclosed within a membrane-bound nucleus.
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Which of the following statements is true about prokaryotic cells?a)Th...
Prokaryotic Cells
Prokaryotic cells are a type of cell that do not have a nucleus. Here is an explanation of why statement (a) is true:
Structure of Prokaryotic Cells
- Prokaryotic cells are characterized by the absence of a true nucleus. Instead of a nucleus, the genetic material of prokaryotic cells is found in a region called the nucleoid.
- They also lack membrane-bound organelles such as mitochondria, endoplasmic reticulum, and Golgi apparatus which are typically found in eukaryotic cells.
Functions of Prokaryotic Cells
- Prokaryotic cells are found in bacteria and archaea. They are generally smaller and simpler in structure compared to eukaryotic cells.
- Despite their simplicity, prokaryotic cells are capable of performing essential functions such as metabolism, growth, and reproduction.
Role of Nucleus in Eukaryotic Cells
- In contrast to prokaryotic cells, eukaryotic cells have a true nucleus that houses the genetic material. This nucleus is enclosed by a nuclear membrane, separating it from the cytoplasm.
Conclusion
In summary, prokaryotic cells do not have a nucleus, making statement (a) true. The absence of a nucleus is a key characteristic that distinguishes prokaryotic cells from eukaryotic cells.
Prokaryotic cells are a type of cell that do not have a nucleus. Here is an explanation of why statement (a) is true:
Structure of Prokaryotic Cells
- Prokaryotic cells are characterized by the absence of a true nucleus. Instead of a nucleus, the genetic material of prokaryotic cells is found in a region called the nucleoid.
- They also lack membrane-bound organelles such as mitochondria, endoplasmic reticulum, and Golgi apparatus which are typically found in eukaryotic cells.
Functions of Prokaryotic Cells
- Prokaryotic cells are found in bacteria and archaea. They are generally smaller and simpler in structure compared to eukaryotic cells.
- Despite their simplicity, prokaryotic cells are capable of performing essential functions such as metabolism, growth, and reproduction.
Role of Nucleus in Eukaryotic Cells
- In contrast to prokaryotic cells, eukaryotic cells have a true nucleus that houses the genetic material. This nucleus is enclosed by a nuclear membrane, separating it from the cytoplasm.
Conclusion
In summary, prokaryotic cells do not have a nucleus, making statement (a) true. The absence of a nucleus is a key characteristic that distinguishes prokaryotic cells from eukaryotic cells.
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Which of the following statements is true about prokaryotic cells?a)They have a nucleus.b)They lack a cell membrane.c)They are found only in animals.d)They are generally larger than eukaryotic cells.Correct answer is option 'A'. Can you explain this answer?
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