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Question 1
Multiple Choice
What is the primary function of bacteriophages?
- To kill bacteria
- To kill viruses
- To kill fungi
- To kill human cells
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Ocean Dolphin
Sequencing
The Deadliest Being on Planet Earth – The Bacteriophage
Tim Horton
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Question 2
Multiple Choice
What geometric shape is the head of a bacteriophage typically?
- Tetrahedron
- Icosahedron
- Cube
- Sphere
Question 3
Multiple Choice
Approximately what percentage of bacteria in the oceans are killed by phages every day?
- 10%
- 20%
- 30%
- 40%
Question 4
Multiple Choice
Why are humans immune to bacteriophages?
- Humans produce antibodies against phages
- Phages cannot infect human cells
- Phages are destroyed by human enzymes
- Phages are too large to enter human cells
Question 5
Multiple Choice
What is the role of endolysin in the life cycle of a bacteriophage?
- To inject viral DNA into the bacteria
- To break down the bacterial cell wall
- To help phages attach to bacterial cells
- To replicate the phage DNA
Question 6
Multiple Choice
How did humans discover antibiotics?
- Through genetic engineering
- By accident
- Through ancient texts
- By studying bacteriophages
Question 7
Multiple Choice
What is a major concern with the overuse of antibiotics?
- They become less effective over time
- They can cause viral infections
- They can lead to the development of superbugs
- They are expensive to produce
Question 8
Multiple Choice
How do phages differ from antibiotics?
- Phages target a wider range of bacteria
- Phages are more expensive
- Phages are highly specific in their action
- Phages are harmful to human cells
Question 9
Multiple Choice
What happens to bacteria that become resistant to phages?
- They become resistant to all treatments
- They lose their resistance to antibiotics
- They multiply faster
- They become less harmful
Question 10
Multiple Choice
What was the outcome of the experimental phage therapy on the patient with Pseudomonas Aeruginosa?
- No improvement
- Partial recovery
- Complete disappearance of infection
- Worsening of condition
Question 11
Multiple Choice
What is the primary reason pharmaceutical companies are reluctant to invest in phage therapy?
- Lack of official approval
- High production costs
- Low demand
- Difficulty in manufacturing
Question 12
Multiple Choice
Which of the following best describes how phages inject their genetic material into bacteria?
- Using enzymes
- Through diffusion
- Via a syringe-like mechanism
- By endocytosis
Question 13
Multiple Choice
Why could phage therapy become more important in the future?
- Phages are easier to produce than antibiotics
- Bacteria are developing resistance to antibiotics
- Phages are more effective than antibiotics
- Phages are less specific than antibiotics
Question 14
Multiple Choice
What is the significance of the 2016 clinical trial mentioned in the video?
- It proved phages were ineffective
- It was the largest phage clinical trial to date
- It led to the discovery of new antibiotics
- It showed phages cannot be used in humans
Question 15
Multiple Choice
What makes phages 'smart weapons' against bacteria?
- Their ability to evolve
- Their large size
- Their ability to infect human cells
- Their broad spectrum of action
Question 16
Multiple Choice
What are 'superbugs'?
- Viruses resistant to all treatments
- Bacteria resistant to multiple antibiotics
- Fungi that cause severe infections
- Engineered bacteria used in medicine
Question 17
Multiple Choice
What is the main advantage of using phages over antibiotics?
- Phages are less expensive
- Phages can target specific bacteria without harming beneficial ones
- Phages are easier to administer
- Phages work faster
Question 18
Multiple Choice
How do phages attach to their bacterial hosts?
- Using enzymes
- Through leg-like fibers
- By chemical attraction
- Through random collision
Question 19
Multiple Choice
What is a potential benefit of phage therapy mentioned in the video?
- It can cure viral infections
- It can help reduce antibiotic resistance
- It is less painful than antibiotic injections
- It can be used to treat cancer
Question 20
Multiple Choice
What is the main challenge in implementing phage therapy widely?
- Phages are too specific
- Lack of regulatory approval
- High cost of phages
- Phages are harmful to humans
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