0
Antibiotics work by using a metabolic pathway necessary for bacterial (or viral, or fungal) life, but not necessary for human life. An example of this is sulfa drugs. All organisms require folic acid, including humans. Bacteria synthesize their folic acid from PABA (para amino benzoic acid), whereas humans ingest folic acid directly from dietary sources. Therefore, this difference may be exploited, as it is in the case of sulfa antibiotics. Sulfa antibiotics disrupt the pathway from PABA to folic acid in bacteria, but cannot do so in humans (because humans already obtain folic acid directly in dietary form). Different antibiotic classes disrupt different metabolic pathways in bacteria (but, again, not in humans).
What else can I help you with?
What fights bacteria that enters the body?
The immune system fights bacteria that enters the body. It does this by using various defense mechanisms such as white blood cells, antibodies, and complement proteins to identify and destroy the invading bacteria.
Bacteriophages are viruses that attack and destroy?
Bacteria by injecting their genetic material into the bacterial cells, which causes the cells to produce more viruses until they burst, releasing new viruses to infect other bacteria. Bacteriophages are being researched as a potential alternative to antibiotics for treating bacterial infections.
How do antibiotics work to target bacteria without causing harm to the surrounding human cells?
Antibiotics work by targeting specific structures or processes in bacteria that are essential for their survival, such as cell wall formation or protein synthesis. These structures or processes are not present in human cells, so the antibiotics are able to selectively kill the bacteria without harming human cells.
Do antibiotics target prokaryotic or eukaryotic cells?
Many of the antibiotics are produced in prokaryotes by cloning procedures then it is screened and purified.Antibiotics circulate in our bloodstream and it will act only in where the problem is.Most of the antibiotics target bacterial translation.
What kills infectious bacteria in the human body?
The immune system helps to kill infectious bacteria in the human body through various mechanisms, such as producing antibodies, activating immune cells like white blood cells, and releasing molecules that can directly target and destroy the bacteria. Additionally, certain medications, like antibiotics, can be used to target specific bacteria and help the immune system in fighting the infection.
What is a bacterial pathogen?
They are micro organisms that cause disease. Bacteria release toxins and viruses damage the cells. Bacteria are living cells that come in many shapes and sizes (te largest being 10 millionth of a metre). In favourable conditions they can multiply rapidly and once inside the body release there toxins. Antibiotics can be used to help the bodys immune system destroy them
What fights bacteria that enters the body?
The immune system fights bacteria that enters the body. It does this by using various defense mechanisms such as white blood cells, antibodies, and complement proteins to identify and destroy the invading bacteria.
How does antibiotics help bacterial infections?
Antibiotics either directly kill bacteria cells or inhibit bacteria cells from dividing, thus allowing the body to eliminate the infection.
What is an explanation of how antibiotics kill bacteria?
antibiotics kill bacteria by penicillin that works by weakening the cell walls of some bacteria and causing the cells to burst
Bacteriophages are viruses that attack and destroy?
Bacteria by injecting their genetic material into the bacterial cells, which causes the cells to produce more viruses until they burst, releasing new viruses to infect other bacteria. Bacteriophages are being researched as a potential alternative to antibiotics for treating bacterial infections.
What are the Requirements for a substance consider as an antibiotics?
Antibiotics are substances that can inhibit the growth of, or destroy, bacteria. To be considered an antibiotic, a substance must be capable of selectively targeting bacteria without affecting human cells, have a low toxicity to humans, and be effective at killing or inhibiting the growth of bacteria. Additionally, antibiotics should ideally have a narrow spectrum of activity to minimize disruption of the body's normal flora.
How do we get bad bacteria out of our bodies?
Our body has cells called white blood cells that attack and destroy the bacteria. There are B cells which produce antibodys, which marks the harmful bacteria for the white blood cell. There are also many types of antibiotics which help, for example, penicillin. Penicillin enters the cell and prevents it from forming a cell wall, causing it to burst.
Why the antibiotics are ineffective against viral diseases?
Antibiotics kill bacteria by recognising the antibodies secreted by the bacteria, then attach themselves to the bacteria and give out a signal calling for white blood cells (phagocytes) to eat up the bacteria. Viruses do not secrete the antibodies recognised by antibiotics as they do not resemble proper cells, therefore antibiotics cannot recognise viruses and thus they cannot be digested by phagocytes.
Why should penicillin never be used to treat viral diseases?
Some infections are caused by germs called bacteria. These bacterial infections respond to antibiotics-if the right one is used. Virus are germs that do not respond to antibiotics. Antibiotics work in many different ways to destroy bacteria. But viruses are usually to small and work inside cells therefore antiotics don't work.
How do antibiotics work to target bacteria without causing harm to the surrounding human cells?
Antibiotics work by targeting specific structures or processes in bacteria that are essential for their survival, such as cell wall formation or protein synthesis. These structures or processes are not present in human cells, so the antibiotics are able to selectively kill the bacteria without harming human cells.
What is the process in which some white cells destroy bacteria?
It is called phagocytosis. Putting it simply, these white cells "eat" the bacteria.
How do white blood cells destroy bacteria?
by using endocytosis.!
