Because the acetyl wasn't present in young 3-month-old mice, the study concludes that it ACTS as a switch for a cluster of learning and memory genes.
由于这种醋酸基在3个月大的白鼠脑中并不存在，研究显示这种醋酸基扮演了学习和记忆基因群组开关的角色。
2
Connecting storage to the cluster can be direct or through a storage area network (SAN) switch, either by fiber, copper, or a mixture of the two (see Figure 1).