Are all eukaryotic genes colinear? Yes, because the order of the codons and amino acids is the same in eukaryotes. No, because t
here are often several genes that code for the same protein. No, because some eukaryotic genes have introns that are not translated. Yes, because all genes produce protein products. Yes, because all codons in a eukaryotic gene are translated into a protein.
The lungs have no skeletal muscles of their own. The work of breathing is done by the diaphragm, the muscles between the ribs (intercostal muscles), the muscles in the neck, and the abdominal muscles.