It was also demonstrated that resoluble sugar and protein in diseased leaves had no regular changes during different infection stages, but showed different effect on plant metabolism.
Meanwhile, cannibalism is less common in birds than in other groups, but certain species will eat diseased or dead hatchlings as a way of disposing of the bodies before they can attract maggots.
If we could figure out how these cells make the decision to become one cell type or another, we might be able to harness them to generate cells that we need to repair diseased or damaged tissue.
如果我们能弄明白这些细胞是如何决定自己要发育为何种细胞的,我们或许能够利用 ES 细胞的这一能力,生成我们需要的细胞,来修复携带疾病的或受损的组织。
“Many of our oldest family trees become a little diseased over time, ” he said as Bellatrix gazed at him, breathless and imploring, “You must prune yours, must you not, to keep it healthy?
Wolves and foxes have been known to pass up diseased reindeer carcasses in favor of prey killed by other predators, although it's not yet clear how they can tell the difference.
The accusations he had heard from Muriel at the wedding seemed to have nested in his brain like diseased things, infecting his memories of the wizard he had idolized.
It keeps actually the prey populations healthy because it winnows out the ones that are diseased, that could spread those diseases through the population.