subject
Biology, 12.03.2021 19:40 cheerthi16

when penicillin was first introduced, it was was very effective in destroying most of the bacteria that was cause gonorrhea. Today, certain varieties of this bacterium are the resistant to penicillin. Which statement best explains the appearance of these resistant varieties?

ansver
Answers: 2

Another question on Biology

question
Biology, 21.06.2019 13:10
Which of the following is a correct cause and effect relationship for a symptom of diabetes? (note: this is referring to the cause that directly comes before the effect).saturation of glut causes polyuriahyperglycemia causes polydipsiapolyuria causes dehydration
Answers: 2
question
Biology, 22.06.2019 04:00
Aperson is outside exercising. body temperature begins to rise, and the person starts to sweat. their body temperature then returns to normal, and the body stops sweating. a positive b negative c allosteric d homeopathic
Answers: 1
question
Biology, 22.06.2019 05:20
The fruit of a certain plant is sweet and fleshy. the seeds of this plant have a seed coat that is fairly tough. the seeds germinate better if they are exposed to acid, or scarification. what is the most likely type of dispersal for this seed? water animal wind
Answers: 2
question
Biology, 22.06.2019 14:00
Which line in the graph above best illustrates an effect of the carbon dioxide level in the blood on breathing rate before, during and after a period of exercise? 1.b,2.c,3.a,4.d
Answers: 1
You know the right answer?
when penicillin was first introduced, it was was very effective in destroying most of the bacteria t...
Questions
question
History, 20.05.2021 03:30
question
Chemistry, 20.05.2021 03:30
question
Mathematics, 20.05.2021 03:30
question
Health, 20.05.2021 03:30
Questions on the website: 13722366