Biophysicists are discovering amazing things about the cells. Our bodies contain trillions of these cells, here are some remarkable things happening in the human body!
New insights on the ribosome as reported by Science Daily…
“Ribosomes are factories inside cells where messages coming from genes are decoded and new proteins pieced together on an assembly line. For the first time, scientists have a detailed picture of the ribosome trapped together with elongation factor G (EF-G), one of the enzymes that nudges the assembly line to move forward.”
University of Michigan discovered how certain cells can regenerate after damage. For instance, visual neurons damaged by intense light in Zebrafish. These regenerative cells come from Muller glia. Research on 953 genes in a Muller glia cell revealed two genes that get activated in the process and these same genes have been linked to other regeneration activity.
“This suggests,” said Pamela Raymond, “that, although we don’t fully understand it yet, there might be a bigger molecular program, involving not just these two genes but a number of cooperating genes that are required for injury-triggered regeneration.”
On another front, nanoscopic rotary engines is what keeps our cells going but have a problem with cell division. So how do they maintain their activity while reproducing all their parts? Rak and Tzagaloff at Columbia University tried to figure that out and published their results in PNAS…
“The preservation of functional mitochondria and chloroplasts during cell growth and division depends on a large pool of genetic information resident in the nucleus and of a more limited set of genes present in the genomes of the organelles themselves.”
“The proteins encoded by the chloroplast and mitochondrial genomes interact with partner proteins derived from nuclear genes to form hetero-oligomeric complexes that function, respectively, in photosynthesis and oxidative phosphorylation. This circumstance has necessitated the evolution of mechanisms for insuring a balanced output of the two spatially separate sets of genes.”
Isn’t this awesome? Unlike evolution, these discoveries are based on careful and detailed research which draws on collective facts gleaned from experiments around the world. As a result, it’s bringing incredible knowledge of the molecular machine world. The research papers mention very little about evolution because quite frankly, when studying things on how they work, evolution is useless.
The vagueness of the references to evolution stand in sharp contrast to the detailed descriptions of the machines and their parts. Does this mean one can actually perform a scientific method and come up with scientific conclusions without evolution…Yes, and this is how science should be conducted!