The head at the top, the tail is just for getting to the egg
Answer: alternative D.
Explanation: For the DNA to have the double strand structure, it is necessary to copy the sequence of the existing DNA strand in a complementary sequence of nucleotides, forming hydrogen bonds between them. The mRNA also uses this strategy when reading the DNA strand during the transcription, in order for the translation to begin.
The answer is the cerebrum. It is sometimes called the telencephalon,
is the biggest and most extremely advanced part of the human brain. It covers
about two-thirds of the brain form and lies over and from place to place most
of the structures of the brain. The cerebrum is separated into right and left
hemispheres that are joined by the corpus callosum.
The parasite can live<span> in the environment for many months and contaminate soil, water, fruits and vegetables, sandboxes, grass where animals graze for food, litter boxes, or any place where an infected cat may have defecated. </span>Toxoplasmosis<span> is an infection caused by a microscopic parasite called </span>Toxoplasma<span> gondii.</span>
