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
tigry1 [53]
3 years ago
8

Which antibiotic was not effective against E. coli? neomycin, penicillin, erythromycin, ampicillin

Biology
1 answer:
qaws [65]3 years ago
6 0

The antibiotic called ampicillin was not effective against E.coli.

Answer: D

Explanation:

E.coli is normal microbial flora which is present in the gut of the mammals.

It is gram negative bacteria and very few strains of this bacteria causes harm.

Antibiotics are the chemical drugs which are used to treat the microbial infection either by killing the causative organism or by its growth inhibition.

Antibiotics such as neomycin, penicillin and erythromycin are usually used to treat E.coli infection.

Antibiotic such as Ampicillin is not used as the bacterium E.coli is highly resistant to it.  

You might be interested in
During elongation, RNA polymerase has three prominent channels, or grooves. These channels provide sites for all of the followin
kirill [66]

Answer:

<h2>A site for the exit of the diphosphates removed from the nucleotide triphosphates.</h2>

Explanation:

Transcription occurs in three steps, i) initiation, ii) elongation, and iii) termination.

Elongation: during elongation , the RNA polymerase add new nucleotides in the growing chain of RNA molecule until it encounter terminator factor, or until it terminate transcription.  RNA polymerase has three prominent channels, i) channel for entry of DNA template strand, ii) channel for exit of DNA strand  and iii) channel for exit of newly synthesized RNA molecule. There are lots of other enzymes which helps in transcription.

4 0
3 years ago
Does one molecule of atp contain more energy than one molecule of glucose
Troyanec [42]
Open up a can of worm 
6 0
3 years ago
What is the structure of Fructose ?​
Dovator [93]

Answer: The structure of fructose, like all simple sugars, can be expressed as a six-carbon linear chain with hydroxyl and carbonyl groups.

Explanation:

4 0
3 years ago
What are the two organelles are involved in cellular energetics ? Which of them are found in plants in animals?
Elodia [21]
Chloroplasts  - found only in plants and algae. they convert solar radiation energy to chemical energy usable for the cell's metabolism.
mitochondria - found in both plants and animals, they produce energy (in the form of ATP - chemical compound) by decomposing sugars and fats. they use up oxygen to do it.
7 0
3 years ago
Explain 1 difference in the nutrient content of vessel venule and vessel arteriole
inn [45]

  • Venules have much larger lumina and thinner walls than corresponding arterioles

3 0
2 years ago
Other questions:
  • What's the difference between mitosis and meiosis
    11·1 answer
  • Water seeps inside cracks in a boulder and freezes. Over time, the crack expands and the boulder cracks in half. What process ca
    15·2 answers
  • Damage to the outer ear or middle ear, which transmits sound waves to the inner ear, may result in __________. A. Ménière’s dise
    8·2 answers
  • A scientist wants to examine living cells lining the respiratory tract to determine how the cells use tiny hairs to move dirt an
    6·1 answer
  • A company has several factories around the world and has decided to transition from burning fossil fuels to using alternative en
    14·1 answer
  • !!!!!!!!!!!!PLEASE HELP ME PLEASE PLSEASE!!!!!!!!!!
    5·1 answer
  • What molecule provides short term energy
    14·2 answers
  • Where did paul newman live for most of his life
    9·1 answer
  • Fluid in the inner ear creates a sense of ____.
    11·1 answer
  • Someone please help I need it know the first question has 2 answers
    13·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!