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Questions and Answers
What approximate percent of all bacteria are harmless and can even be beneficial to humans?
What approximate percent of all bacteria are harmless and can even be beneficial to humans?
- 10%
- 90% (correct)
- 30%
- 70%
A communicable disease refers to a disease that is:
A communicable disease refers to a disease that is:
- Spread from one person to another (correct)
- Passive
- Dormant
- Not spread from one person to another
What should you look at on page 12 of the book regarding bacteria?
What should you look at on page 12 of the book regarding bacteria?
Questions 9-12 about types of bacteria.
Bacteria grow and reproduce:
Bacteria grow and reproduce:
Where do bacteria grow?
Where do bacteria grow?
As bacteria absorb food, each cell grows in size and divides, resulting in how many new cells?
As bacteria absorb food, each cell grows in size and divides, resulting in how many new cells?
Bacteria that form spores can only be destroyed by using a product labeled as sporicidal through:
Bacteria that form spores can only be destroyed by using a product labeled as sporicidal through:
Organisms that live on or obtain nutrients from another organism are known as:
Organisms that live on or obtain nutrients from another organism are known as:
The body's ability to destroy infectious agents that enter the body is:
The body's ability to destroy infectious agents that enter the body is:
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Study Notes
Bacteria Overview
- Approximately 90% of all bacteria are harmless and can be beneficial to humans.
- Bacteria grow and reproduce rapidly, thriving in dark, moist environments.
Communicable Diseases
- A communicable disease is one that can be spread from one person to another.
Bacterial Growth
- When bacteria absorb food, each cell enlarges and divides, resulting in two new cells.
Bacterial Spores
- Bacteria that form spores require sterilization to be destroyed effectively; regular cleaning and disinfection methods are insufficient.
External Parasites
- Organisms that depend on other living hosts for nutrients are classified as external parasites.
Immunity
- The body's capability to neutralize infectious agents is known as immunity, a crucial aspect of health and disease prevention.
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