Bauplan is the assembly of the body structure which is common in the organisms belonging to the same phylum. The Same bauplan determines that a body part of the organisms are same and they will be in the same phylum in the Evolution also. Bauplan includes symmetry, segmentation, and limb disposition.
Here is the simple answer:
It basically rips the DNA into pieces and those pieces are placed into the gel. The gel has holes throughout the contaioner and allowing the DNA pieces to wiggle through. These are pulled by an electric potential (or voltage) that attracts the DNA pieces. The larger the piece of DNA the shorter distance it will travel through the gel.
Out of the statements presented regarding the skeletal system, the last one would be the only true statement which says that there are 3 components to the sternum bone.
For the number of vertebrae that cover the spinal cord, there are around 31 segments that have it. For the pairs of ribs, there are 12 pairs of it. There are also 14 major facial bones. As for the components of the sternum bone, there are 3 components which are as follows: the manubrium, the body, and the xiphoid process.
