0
Was the ability of some microorganisms to produce beta-lactamase present prior to their exposure to the antibiotic penicillin?
Add your answer:
Earn +20 pts
How the exposure to penicillin affects the survival of some bacteria in the population?
Exposure to penicillin can lead to the survival of antibiotic-resistant bacteria in a population as non-resistant bacteria are killed off, leaving behind those that have developed resistance. Over time, this can increase the prevalence of antibiotic-resistant strains within the population. It highlights the importance of responsible antibiotic use to prevent the emergence and spread of resistance.
What is the Medical term meaning superbug infection?
Antibiotic resistance is a type of drug resistance where a microorganism is able to survive exposure to an antibiotic.
Is penicillin allergy hereditary?
Yes, a penicillin allergy can be hereditary. If one or both of your parents are allergic to penicillin, your chances of being allergic are higher. Often though, penicillin allergies are just caused by exposure over a long period of time.
Is Allergies hereditary?
Yes, a penicillin allergy can be hereditary. If one or both of your parents are allergic to penicillin, your chances of being allergic are higher. Often though, penicillin Allergies are just caused by exposure over a long period of time.
Why do soil microorganisms have antibiotic resistance genes?
Soil microorganisms have antibiotic resistance genes due to their natural ability to adapt to environmental stressors, including exposure to antibiotics in the soil. These genes provide a survival advantage by allowing the microorganisms to resist the harmful effects of antibiotics produced by other organisms in their environment.
Certain bacteria produce a chemical that makes them resistant to penicillin since these bacteria reproduce asexually they usually produce offspring that?
Carry the same resistance to penicillin as the parent bacteria. This resistance is usually conferred through genetic mutations or acquisition of resistance genes, allowing the offspring bacteria to withstand the effects of penicillin.
What is an extra loop of DNA that contains antibiotic resistance what gene?
An extra loop of DNA that carries antibiotic resistance genes is called a plasmid. These genes can provide bacteria with the ability to survive exposure to antibiotics.
Why do plasmids contain a gene for antibiotic resistance?
Plasmids contain antibiotic resistance genes because these genes provide a survival advantage to the bacteria in the presence of antibiotics. Bacteria can pick up plasmids with antibiotic resistance genes through horizontal gene transfer, allowing them to survive in environments with antibiotic exposure. This is a common mechanism for bacteria to acquire resistance traits and poses a challenge for antibiotic treatment.
What is the Rate of growth and death of microorganisms?
The rate of growth of microorganisms depends on factors like temperature, pH, and nutrient availability. Most microorganisms follow a sigmoid growth curve, starting slowly, then increasing rapidly, before plateauing. Death of microorganisms can occur due to factors like lack of nutrients, exposure to extreme temperatures, or disinfection methods.
How did Pasteur solve limiting exposure to air?
Pasteur solved the problem of limiting exposure to air by designing a swan-necked flask that allowed air to enter but prevented dust and microbes from passing through. This design enabled him to demonstrate that spontaneous generation did not occur, as microorganisms did not appear in the broth unless the flask was tilted to allow contamination.
Why are some microorganisms more heat resistant than others?
Microorganisms have different heat resistance levels due to variations in their genetic makeup. Some microorganisms have developed heat-resistant structures or proteins that protect them from high temperatures. Additionally, certain microorganisms may produce spores or biofilms that provide protection during exposure to heat.
Why would your body build up an immune to penicillin?
The body does not build up immunity to penicillin. The bacteria that penicillin is designed to kill does. When you have a bacterial infection a doctor may prescribe penicillin to kill the bacteria off. As you take the penicillin more and more bacteria are killed within your system and you start to feel better. As you start to feel better you become less aware of the symptoms of the infection and are inclined to forget to keep taking the remainder if your penicillin (after all I feel fine you say) the problem however is that some of the bacteria are not killed of if the coarse of medicine is not finished. These bacteria are likely to form a resistance to penicillin as a result of their exposure making the illness harder to treat next time. Some illnesses that were once easily treated with penicillin are now very difficult or impossible to treat. Many as the direct result of over use or improper use of penicillin.
