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pathogens - micro organisms that cause disease. all viruses are pathogenic but only some are pathogenic to man.
certain bacteria cause disease in man.
spoilage organisms - micro organisms that do not cause disease but they do spoil food by growing in the food and producing substances which alter the colour, texture, and odour of the food
E.G = souring of milk , mould on breads and rotting of fruits and veg
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FranPathogenic bacteria are harmful and can cause diseases in humans, while spoilage bacteria are not typically harmful but can degrade food quality by causing changes in taste, texture, and appearance. Pathogenic bacteria pose a health risk, whereas spoilage bacteria primarily impact the quality of food.
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How to defrintiate between vibro cholera and pseudomonas aeruginosa?
The difference between vibrio and pseudomonase is that the pseudomonas are opportunistic pathogenic bacteria while vibrio are nonsymbiotic bacteria.
How can bacteria be both pathogenic and non pathogenic?
Bacteria can be both pathogenic and non-pathogenic depending on their characteristics and the host's immune response. Pathogenic bacteria have virulence factors that allow them to infect and cause disease in a host, while non-pathogenic bacteria do not possess these virulence factors and typically live harmlessly in the host or environment. The distinction between pathogenic and non-pathogenic bacteria lies in their ability to cause disease in a susceptible host.
What is the difference between pathogenic staphylococci from non-pathogenic strains?
Pathogenic staphylococci can cause infections in humans, while non-pathogenic strains do not typically cause harm. Pathogenic strains often produce toxins and enzymes that contribute to disease, while non-pathogenic strains lack these virulence factors. Additionally, pathogenic strains are more likely to be antibiotic resistant compared to non-pathogenic strains.
In an experiment DNA from dead pathogenic bacteria was transferred into living bacteria that do not cause disease These altered bacteria were then injected into healthy mice These mice died of the?
This experiment demonstrates the concept of transformation, where genetic material from one organism is taken up by another resulting in a change in phenotype. The injected bacteria likely acquired the pathogenic genes from the dead bacteria, causing them to become virulent and resulting in the death of the mice. This highlights the importance of understanding genetic transfer mechanisms and the potential dangers of gene transfer between organisms.
What is a difference between bacteria and viruses that shows that bacteria are living organism and viruses are not?
Bateria are made of cells APEX~:)
