新技术可动态显示肌球蛋白分子运动过程 自 20世纪50年代以来,科学家们对肌肉的工作原理有了相当清晰的认识。这一行动的核心蛋白质是肌球蛋白,它是一种分子马达,能够沿着类似绳索的肌动蛋白链——抓取、拉扯、释放然后再抓取——使肌肉细胞收缩。 These ‘movies’ of proteins in action are revealing the ...
上班族的好消息 : 每天走 1 万步,死亡风险降低 39% 诸平 Fig. 1 Increasing daily steps to around 10,000 reduces sedentary lifestyle health risks, including mortality and cardiovascular disease, emphasizing the value of movement for health improvement. Higher step counts are associated ...