0
Penicillium inhibits growth of gram positive cocci and neiserria spp. streptomycin does not, this allows it to be effective. Anti-microbial agents can't be equally effective because they have different qualities that inhibit growth of different organisms.
Wiki User
∙ 13y ago
Wiki User
∙ 13y agoSome bacteria in a culture will have slightly different metabolic processes than the majority. These can survive as 'resistant' forms, and will then multiply as the majority of the strains, passing on this trait to its descendants.
Add your answer:
Earn +20 pts
How does continuous use of antibiotics affect the microbial flora?
Antibiotics kill all bacteria, even the "good" ones that help you digest your food. Once your microbial flora are killed off, you get the side effects of the antibiotics, such as fungal infections and diarrhea. Also, remember that continuous use of antibiotics will breed bacteria that are resistant, so you shouldn't just keep taking antibiotics forever.
What antibiotic is not bactericidal?
None. All antibiotics fight bacteria and bacteria only.
Is all bacteria killed by hand gels?
No, not all bacteria is killed by hand gels. Most hand gel products do say that they are 99.99% effective, but the .01% is the bacteria that the hand gel cannot kill. Since bacteria have the ability to mutate to form resistance against hand gels, not all bacteria can be killed by hand gels.
Why do antibiotics not work on all bacteria?
because it doesn't want to, i mean would you really want to work on someones bacteria. didn't think so!
What is the result of Antibiotic resistance in bacteria?
Using antibiotics when ineffective or unnecessary enables the mutation and spread of antibiotic-resistant bacterial strains, since the bacteria will get small and/or a short duration of doses of the medicine, too short to kill the bacteria, but able to make them get used to the "poison" and no longer killed by it. That is why you are told by medical professionals that you should always take all antibiotics prescribed even when you start feeling better, because it takes the full amount of medicine to be sure the bacteria have been killed. You are also told not to skip doses for the same reason. Do not pressure your physician to prescribe antibiotics for a cold. Antibiotics are not a direct treatment of viruses that cause colds and flu, they have no affect on any viruses. They are only prescribed with viral illness if there has been a secondary bacterial pneumonia or other bacterial infection develop. If you take antibiotics when unnecessary, you also contribute to the production of more antibiotic-resistant bacteria. It is coincidental when people say that they know that the antibiotics they took for a cold or flu virus made them feel better. It is a matter of time, not medicine. Often people do not seek physician exam until they have had a cold for 5-7 days...and then within 3 days of starting the antibiotics, they begin to feel better and attribute it to the antibiotics. But it is not due to the medicine, it is due to the time it took your body to rid the virus, which is in 7 to 10 days from the start of symptoms. Just wait for at least 10 days to give your body a chance to heal your virus before pressuring for unneeded antibiotics. Antibiotics are not innocuous. They have toxicities and side effects. This means that antibiotics not only do no good in a viral infection, they can actually harm the patient. This is at odds with a fundamental precept of medicine: "First, do no harm."
What type of infections can be treated with antibiotics?
Bacteria
What effects does antibiotics have on helpful bacteria?
Antibiotics are generally non-discriminatory. They kill all bacteria-harmful and helpful.
How does continuous use of antibiotics affect the microbial flora?
Antibiotics kill all bacteria, even the "good" ones that help you digest your food. Once your microbial flora are killed off, you get the side effects of the antibiotics, such as fungal infections and diarrhea. Also, remember that continuous use of antibiotics will breed bacteria that are resistant, so you shouldn't just keep taking antibiotics forever.
What antibiotic is not bactericidal?
None. All antibiotics fight bacteria and bacteria only.
Do antibiotics work against bacteria?
antibiotics are useful against bacteria because they help to kill off the nasty bacteria or they can also stop the bacteria from reproducing - so the illness doesn't get worse. this then gives your body time to make antibodies which will eventually distroy the bacteria. after this, you won't get the disease again because you are immune to it.
How do human diseases caused by bacteria and disease caused by viruses react to antibiotics?
Viruses ALL ignore antibiotics, Bacterial infections vary in their response depending on the sensitivity of the bacteria to the specific antibiotic.
How do disease caused by bacteria and diseases caused by viruses by react to antibiotics?
Viruses ALL ignore antibiotics, Bacterial infections vary in their response depending on the sensitivity of the bacteria to the specific antibiotic.
Why might a physician be likely to develop bacteria that are resistant to all antibiotics?
The bacteria may have grown in an environment where it is introduced to the antibiotics therefore making it immune to the drugs.
Why should you take your antibiotics?
If you dont take all of your antibiotics the bacteria will continue to grow and its DNA will change so it will become resistent to the antibiotics
Are there antibiotics for bird flu?
There are no antibiotics for the bird flu. Influenza (all types) is caused by a virus, and hence can't be treated with antibiotics (antibiotics only work with bacteria).
Can cold be cured by antibiotics?
No, antibiotics will not even treat a cold because a cold is caused by a virus and not bacteria. Antibiotics are only effective on bacteria. Viruses cannot be 'killed' with antibiotics, and taking antibiotics will only help you kill off bacteria in your stomach and make you have diarrhea.
Why anti-biotics should not be over used?
If they are over used then the body becomes immune to them thus making infections hard to treat as the antibiotics wont work. it is not so much the body that gets used to them as the bacteria that are the cause of the problem become immune to them. That is why we are all better of if we only use antibiotics when we really need them and try to rely on our own immune system whenever we can. This is also the reason that when you are prescribed antibiotics you should finish the whole course of tablets or capsules to make sure that all the bacteria are killed of and don't turn into a strain that has resistance to antibiotic's.
