1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
____ [38]
3 years ago
13

Jason adds the antibiotic penicillin to a bacterial culture. The bacteria develop genetic modifications in their genome, which g

ives them resistance to the antibiotic penicillin. What caused this genetic modification?
Biology
1 answer:
Aleks [24]3 years ago
3 0
The correct answer is A.
The use of antibacterial drugs can cause modifications in the genetic material of the concerned bacteria. If the genetic material of the bacteria are modify, that means they have undergone mutation. Because the base sequence of the normal and that of the mutated gene is different, antibiotic will not be able to recognize the bacteria again and thus will not be able to attack it. 
You might be interested in
Which part of the Pakicetus anatomy most suggests that it is an ancestor of whales?
Burka [1]

Answer:

Pakicetus had an ear bone with a characteristic specific to whales and a distinctive long skull shape of a whale's.

Pakicetus

• Pakicetus was a wolf-sized animal and was a carnivore that at certain occasions consumed fish had exhibited features of its anatomy that associated it to the modern cetaceans, porpoises, whales, and dolphins.

• It had the body of a land animal, however, its head exhibited the distinctive long skull similar to a whale.

• With time, the fossils also showed that Pakicetus possessed an ear bone with a characteristic specific to whales.

Thus, pakicetus can be considered as the first whale who exhibited certain similar anatomic features like that of a whale.

Find out more information about Pakicetus anatomy here:

brainly.com/question/16395727

Explanation:

8 0
2 years ago
Which statement is an example of a scientific theory? A. The amount that caffeine affects a person's heart rate differs based on
nadya68 [22]

Answer:

Pretty sure it's A because people can redo this test as many times as needed to verify the answer.

5 0
3 years ago
Read 2 more answers
Ave de la familia de los faisanes
bezimeni [28]
<span>the answer is:

 the Pheasant</span>
6 0
3 years ago
The origin of a muscle is generally:
Cloud [144]
D. the moveable and proximal attachment
6 0
3 years ago
Read 2 more answers
According to evolutionary history and taxonomy, tigers resemble ____________ more closely than they resemble fish. A) hydra B) g
Kaylis [27]
I think its B hope it helps
6 0
3 years ago
Read 2 more answers
Other questions:
  • Which biomolecules does your body use as a long term energy source?
    13·1 answer
  • One adaptation to life in flowing water is _____.
    5·2 answers
  • Put the steps of enzyme activity in order from first to last using the drop down menu beside each step. The chemical reaction oc
    13·2 answers
  • The pH of water is<br> because it contains an equal amount of H' and OH ions.<br> O5<br> ооо
    10·1 answer
  • An ___________ is when you gather facts through observation, questioning, or studying.
    14·2 answers
  • Which type of components aggregate and interact to form the epithelial, connective.
    13·1 answer
  • A young woman suffered from a severe injury to her pelvic cavity. What potential problem would her doctors be most
    9·1 answer
  • Why do organisms maintain fairly steady conditions within their cells and<br> bodies?
    11·1 answer
  • Why is air circulation important for photosynthesis to function properly?
    11·1 answer
  • You might say that this is a waste product of the plant (but it’s a good thing for you!). What is it?
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!