To summarize, on the macroscale, the shell, its two layers (nacre and calcite), and weaker strands inside nacre represent three hierarchical structures.
Fresh egg pasta is generally cut into strands of various widths and thicknesses depending on which pasta is to be made (e.g. fettuccine, pappardelle, and lasagne).
When complementary DNA strands hybridize to the receptors, the charge distribution near the surface changes, which in turn modulates current transport through the semiconductor transducer.
