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.
<h3><u>Answer</u>;</h3>
Photoreception
<h3><u>Explanation</u>;</h3>
- <em><u>Photoreception is a type of reception of light detection that lead to vision and depends on specialized light-sensitive cells called photoreceptors, which are located in the eye.</u></em>
- Photoreceptors are the cells in the retina that respond to light. There are 2 types of photoreceptors in the retina namely; rods and cones. The rods photoreceptors detect light and are located in the retina. Cone are photoreceptors that are located in the retina and detect color.
<span>Many sexually active american adolescents fail to avoid pregnancy because they are not educated on contraceptive methods. </span>
Answer:
The second choice.
Explanation:
The river moves faster which brings in more soil and dirt from the banks which is where A is located.
