四、請問染色體組蛋白(histone)的甲基化(methylation)和乙醯化(acetylation)如何影響基因表現的調控？(10分)

20. Technology seems to be advancing daily, but the Pilot by Waverly Labs, the world’s first translation earpiece, might be a truly huge step forward for communication. The earpiece has microphones to isolate the speaker’s voice, sent to the app. The app runs speech recognition, translation and speech synthesis processes before sending the new speech to the listener’s earpiece. (8分)