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Questions and Answers
Which of the following is a characteristic of prokaryotes?
Which of the following is a characteristic of prokaryotes?
- Absence of a nuclear membrane (correct)
- Cell division through mitosis
- Presence of a nucleolus
- Presence of a well-defined nucleus
Which of the following groups is classified as eukaryotes?
Which of the following groups is classified as eukaryotes?
- Parasites
- Bacteria
- Blue algae
- Fungi (correct)
Which of the following is a characteristic of eukaryotes?
Which of the following is a characteristic of eukaryotes?
- Presence of extrachromosomal DNA
- Absence of a cell membrane
- Containment of sterols (correct)
- Ribosome 70s in size
What is the cell division process in prokaryotes called?
What is the cell division process in prokaryotes called?
What is the largest pathogenic bacteria mentioned in the text?
What is the largest pathogenic bacteria mentioned in the text?
Flashcards
What is a defining characteristic of prokaryotes?
What is a defining characteristic of prokaryotes?
Prokaryotes lack a membrane-bound nucleus.
Which group of organisms is classified as eukaryotes?
Which group of organisms is classified as eukaryotes?
Fungi belong to the domain Eukarya.
What is a characteristic of eukaryotic cell membranes?
What is a characteristic of eukaryotic cell membranes?
Sterols are important components of eukaryotic cell membranes, helping to maintain their structure and fluidity.
What is the cell division process called in prokaryotes?
What is the cell division process called in prokaryotes?
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What is the name of the largest pathogenic bacteria mentioned?
What is the name of the largest pathogenic bacteria mentioned?
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Study Notes
Characteristics of Prokaryotes
- Prokaryotes lack a defined nucleus and membrane-bound organelles.
- They typically have a circular DNA structure.
- Reproduction occurs asexually through binary fission.
Groups Classified as Eukaryotes
- Eukaryotes include kingdoms such as Animalia, Plantae, Fungi, and Protista.
- They possess complex cells with a nucleus and organelles.
Characteristics of Eukaryotes
- Eukaryotic cells have linear DNA organized into chromosomes.
- They undergo cell division through mitosis and meiosis.
- Eukaryotic organisms can be unicellular or multicellular.
Cell Division in Prokaryotes
- Prokaryotes divide through a process called binary fission.
- This process involves the duplication of genetic material followed by division into two identical cells.
Largest Pathogenic Bacteria
- The largest pathogenic bacteria identified is Clostridium botulinum.
- It is known to cause botulism, a severe illness associated with muscle paralysis.
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