17 сент. 2024 г. · a random mutation can give rise to a new bacterial allele that codes for antibiotic resistance · when the bacterial population is exposed to an ...

13 окт. 2021 г. · Antibiotic resistance in bacteria is an example of natural selection that humans have helped to develop. This is due to the overuse of antibiotics.

random mutations occur in the genes of individual bacterial cells · some mutations protect the bacterial cell from the effects of the antibiotic · bacteria ...

A mutation may occur that enables a bacterium to resist being killed by antibiotic treatment, while the rest of the populating is killed when treated.

A mutation occurs in a bacterial cell which makes it resistant to an antibiotic. 2. When that antibiotic is administered, this cell is not killed, whereas cells ...

Bacteria can gain antibiotic resistance. Mutations occur rapidly and randomly. Sometimes when they occur, they provide bacteria with a selective advantage. This ...

6 апр. 2024 г. · antibiotic resistance develops through natural selection and adapting to the environment. It is also caused by unnecessary or excessive use of ...

Bacteria develop resistance to antibiotics through genetic mutations and horizontal gene transfer. Bacteria are single-celled organisms that reproduce ...

A chance mutation in bacterial DNA allows certain bacteria to become resistant to certain types of antibiotic.