Sentence examples for replaced in evolution from inspiring English sources
Contrary to what is generally accepted, our observation that hubs can be lost or replaced in evolution suggests that this hidden distributed architecture behind scale-free networks protects the overall transcriptional program of the organism from mutations affecting major regulatory hubs.
Intriguingly, the S-LAP active site has diverged during Drosophila evolution replaced in many cases by amino acids incapable of Zn2+ binding or bicarbonate coordination.
The evolution of steroid receptors can be replaced in the more general context of ligand-nuclear receptor co-evolution.
Subsequently, plastids have also been independently lost and/or replaced in several eukaryote lineages, making the reconstruction of plastid evolution very difficult.
During the evolution of modern fishes the rod was replaced in part by cartilage and then by ossified cartilage.
This strongly supports the existence of a fundamental take-over in the evolution of the genetic code, in which ancient type II tRNA molecules had their functional identities replaced relatively late in evolution by a modern code.
But there is also evidence that some of the core genes in prokaryotes might be replaced during evolution [ 37- 39].
The reason could be that DsbA is possibly replaced during evolution by another enzyme with similar function, such as DPI or other proteins in the thioredoxin family.
Although the ancestral enzymes involved in mitochondrial transcription and replication have been replaced early in eukaryotic evolution, mitochondrial translation is still carried out by an apparatus largely inherited from the α-proteobacterial ancestor.
Similarly, the absence of rhodophytic por genes in haptophytes and presence in each sampled species of the xenologous por gene suggests that the rhodophytic por gene of haptophytes was replaced early in their evolution.
The enzyme that catalyses the last step in the synthesis of ascorbate has been repeatedly lost and replaced during the evolution of the different kingdoms of eukaryotes.
