B Water
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Answer:
retroviruses
segmented viruses
Explanation:
A retrovirus is a type of RNA virus that inserts a copy of its genome into the DNA of a host cell that it invades resulting in changing the original genome of that cell. There are about three examples of retroviruses, they are
* HIV
* Human T-lymphotropic virus type 1 (HTLV-1)
* Human T-lymphotropic virus type 2 (HTLV-II)
It should be understood that there is a difference between virus and retrovirus. This is that a retrovirus inserts its genome into the host's genome unlike the virus.
Segmented viruses are viruses that package all of their genome segments into a single particle.
In this case, these viruses have high rate rate of genetic mutation and adaptation.
Bacteria that do not take up any plasmids would grow only on nutrient broth without antibiotics.
This is because antibiotics from the broth will kill bacteria. If bacteria took the plasmid that carries the resistance genes for ampicillin and/or tetracycline it would grow on media containing that antibiotics.
Answer:
Engine because it's the energy for the cell.
Hope it helps :)
Answer:
Option C) Oxygen is the correct answer.
Explanation:
Oxygen molecule can pass freely through the lipid bilayer. There are some molecules which are soluble in lipids called lipid soluble molecules. Oxygen is soluble in lipids so it can be absorbed by lipid bilayer. Lipid bilayer is present in all cell membrane of cells which helps in the diffusion oxygen from outside environment into the cell which is necessary for the cell.
