D. 5
I hope this helps :)
C i believe bc cancer is characterized by uncontrolled cell division
Explanation:
Each step in a food chain or web is called a trophic level
Answer:
potential energy, kinetic energy
Explanation:
potential energy is the energy held by an object because of its position. kinetic energy is energy in motion. when the bow is being drawn back it has potential energy because of its position and that at any moment it can be converted into kinetic energy.
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.
