A Level biology – Binary fission in prokaryotic cells

Last updated: 17/02/2022

AQA A-Level Biology All cells arise from other cells A Level biology – Binary fission in prokaryotic cells

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Question 1 of 20

1. Question
Which one occurs in binary fission of prokaryotes?
- DNA replication
- Spindle fibre formation
- Metaphase
- Pairing of sister chromatids
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Question 2 of 20

2. Question
In which of these ways does binary fission differ from mitosis?
- DNA replicates and separates at the same time
- DNA does not replicate
- DNA replicates after cell division
- The cell does not divide
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Question 3 of 20

3. Question
By what process does cell division take place in prokaryotes?
- Binary fission
- Binary fusion
- Mitosis
- Meiosis
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Question 4 of 20

4. Question
Which of the following divide by binary fission?
- Bacteria
- Viruses
- Humans
- Fungi
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Question 5 of 20

5. Question
During division by binary fission the two copies of the circular DNA are attached to which structure?
- The cell membrane
- The ribosome
- The flagella
- The spindle assembly
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Question 6 of 20

6. Question
The two copies of circular DNA are separated by what process during binary fission in prokaryotes?
- Cell growth
- Microtubule depolymerisation
- Kinesin movement along microfilaments
- Brownian motion
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Question 7 of 20

7. Question
Binary fission of a parent cell results in how many daughter cells?
- 2
- 1
- 4
- 3
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Question 8 of 20

8. Question
In most cases, binary fission results in which of the following?
- Two daughter cells with an exact copy of the DNA of the parent cell
- Two daughter cells with half of the DNA content of the parent cell
- Four daughter cells with half of the DNA content of the parent cell
- Four daughter cells with an exact copy of the DNA of the parent cell
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Question 9 of 20

9. Question
Why might the genetic content of a daughter cell differ from a parent cell after binary fission?
- Mutation
- Replication
- Transcription
- Translation
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Question 10 of 20

10. Question
Which of the following is true of binary fission?
- Plasmids are also replicated and distributed between each daughter cell
- Only the circular DNA is replicated and moved into each daughter cell
- The circular DNA is separated using spindle fibres
- Plasmids use flagella to swim into the new daughter cell
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Question 11 of 20

11. Question
Why might the number of plasmids vary between each daughter cell following prokaryote cell division?
- Because the numerous plasmids floating in the cytoplasm are randomly segregated when the cell divides
- Because plasmids stay in the parent cell only
- Because there is only a single copy of the plasmid which stays in one of the daughter cells
- Because plasmids only ever occur in odd numbers, so one daughter will always inherit more
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Question 12 of 20

12. Question
Which of the following does not divide by binary fission?
- Homo sapiens
- Escherichia coli
- Vibrio cholerae
- Salmonella enterica
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Question 13 of 20

13. Question
Which of the following phases do not occur during binary fission? 1. Metaphase 2. Telophase 3. Interphase
- 1, 2 and 3
- 1
- 1 and 2
- 3
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Question 14 of 20

14. Question
Which of the following divide by binary fission?
- Archaea and Bacteria
- Archaea and Fungi
- Bacteria and Fungi
- Archaea, Bacteria and Fungi
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Question 15 of 20

15. Question
Which of the following prokaryotic features are not involved in cell division?
- Flagella
- Cell membrane
- Cell wall
- Plasmids
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Question 16 of 20

16. Question
During binary fission, what happens after the cell membrane pinches inward and divides the cytoplasm in two?
- New cell wall forms between the two daughter cells
- Separation of the two copies of circular DNA begins
- Plasmids are moved along the cell membrane into each daughter
- The cell membrane forms a tube that connects the daughter cells
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Question 17 of 20

17. Question
Explain why one daughter cell may not be antibiotic resistant following cell division in bacteria
- It may not have inherited any of the plasmids confering antibiotic resistance
- The antibiotic may have become more potent
- It may not have inherited a complete copy of the circular DNA
- It's cell wall may have reformed
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Question 18 of 20

18. Question
Which of these microbial pathogens divides by binary fission?
- Mycobacterium tuberculosis (TB)
- Human Immunodeficiency Virus (AIDS)
- Plasmodium falciparum (Malaria)
- Candida albicans (Thursh)
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Question 19 of 20

19. Question
If a single bacterium takes 20 minutes to complete its cell cycle, how many bacteria will there be after 2 hours?
- 64
- 32
- 6
- 128
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Question 20 of 20

20. Question
If a single bacterium takes 20 minutes to complete its cell cycle, how many bacteria will there be after 4 hours?
- 4096
- 2048
- 128
- 256
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