Answer:
DNA
Explanation:
DNA is a full spyral of priens hooked together to hold out genetic information. RNA is only a half of the spiral
The answer is true .........
The level that is used in nuisance contaminations that are
present and requires the lowest form of chemical or respiratory protection is
the level d. This level requires use of protection that are only minimal such
gloves, booths, safety glasses, mask or shield.
The brain stem is central trunk of the brain, consisting of the medulla oblongata, pons, and midbrain, which continues down into the spinal cord.