× Didn't find what you were looking for? Ask a question
Top Posters
Since Sunday
s
3
v
3
p
3
m
2
s
2
d
2
N
2
d
2
e
2
s
2
s
2
e
2
Home Q & A Board Biology-Related Homework Help Cell Biology
New Topic  
Stoscano Stoscano
wrote...
Go to Answer
Posts: 732
Rep: 0 0
6 years ago
You isolate a pathogenic strain of E. coli from a patient and discover that this E. coli strain is resistant to an antibiotic. Common laboratory strains of E. coli are not resistant to this antibiotic,
 
  nor are any other previously isolated pathogenic E. coli strains. However, such resistance has been observed in other bacteria in the hospital in which the patient was treated. This newly discovered antibiotic resistance in E. coli is most likely due to _______.
  (a) a mutation within a gene.
  (b) a mutation within the regulatory DNA of a gene.
  (c) gene duplication.
  (d) horizontal gene transfer.
Read 60 times
1 Reply
Replies
Answer verified by a subject expert
hennihanadihennihanadi
wrote...
#1
Top Poster
Posts: 820
Rep: 2 0
6 years ago
Sign in or Sign up in seconds to unlock everything for free
1

Related Topics

Stoscano Author
wrote...

6 years ago
Good timing, thanks!
TheMoffattMan
wrote...

Yesterday
Thanks
derya1234
wrote...

2 hours ago
I appreciate what you did here, answered it right Smiling Face with Open Mouth
New Topic      
Quick Reply
Explore
Post your homework questions and get free online help from our incredible volunteers
  999 People Browsing
 115 Signed Up Today
Start New Topic Take the Tour CoursesNew Study Tools Topics Trending Browse by Textbook
Live Chat
Related Images
  
 61
  
 19695
  
 1012
Your Opinion
Where do you get your textbooks?
Votes: 447
Previous poll results: Which is the best fuel for late night cramming?