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Why are encapsulated strains much more likely to cause disease than strains that do not produce a capsule?
Some bacterial cells are surrounded by an extracellular slime layer called a capsule or glycocalyx. This structure can play a protective role for certain pathogenic bacteria such as streptococcus pneunoniae. The capsule prevents phagocytic white blood cells from engulfing and destroying this bacterial pathogen, enabling the organism to invade the lungs and cause pneumonia. The capsule is also a means for many bacteria to attach to solid surfaces in the environment.
What role does evolution play in the treatment of bacterial disease?
Over the course of time, there are many changes brought about by evolution in the type of treatment for bacterial disease. Some years ago, people would die of simple bacterial diseases when today, they can be fully cured even at home.
Is periodontal disease viral or bacterial?
Periodontal disease is primarily caused by bacterial infections in the gums and supporting structures of the teeth. Although viruses can also play a role in gum disease, bacteria such as Porphyromonas gingivalis are the main culprits in causing periodontal disease.
How does the presence of a capsule contribute to an organisms pathogenicity?
The capsule helps protect the microorganism from the host immune system by hindering phagocytosis. It also assists in adherence to host cells and tissues, promoting colonization and increasing the organism's ability to cause disease. The capsule may also play a role in protecting the microorganism from environmental stressors.
What is the role of heat shock in bacterial transformation?
Heat shock is a process used in bacterial transformation to make the bacterial cells more permeable to foreign DNA. By briefly exposing the cells to high temperatures, the cell membrane becomes more flexible, allowing the uptake of DNA molecules more easily. This increases the efficiency of the transformation process by promoting the incorporation of the desired genetic material into the bacterial cells.
What C-shaped structure in the nephron surrounds the glomerulus?
Bowman's Capsule
The Bowman's capsule is part of which system in the body?
The Bowman's capsule is part of the urinary system, specifically within the structure of the nephron in the kidneys. It is a cup-like sac at the beginning of the tubular component of a nephron and plays a crucial role in the process of filtration of blood to form urine.
What is Role of spreading vector disease?
what is the role of a vector in the spread of a disease
What is the role of antiseptics in bacterial infecton?
To kill bacteria.
What is the role of flagella in the bacterial cell?
The fagella helps the bacteria move.
What is the role of process executive?
what is the role of process executive?
Why is bacterial decomposition important?
Bacterial decomposition is important because it helps break down organic matter, such as dead plants and animals, into simpler compounds like carbon dioxide and water. This process is essential for recycling nutrients back into the ecosystem, allowing new plants and organisms to thrive. Additionally, bacterial decomposition plays a crucial role in waste treatment and helps maintain a healthy balance in the environment.
