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Using the CRISPR-Cas9, Qin's team removed the DNA at the telomeres, the ends of chromosomes that protect them from degrading. They also snipped out the centromeres, sequences in the middle that are important to DNA replication, the paper said.
The NDRC has asked major Chinese oil companies, including China National Petroleum, China Petrochemical, and China National Offshore Oil, to ensure a stable supply and pricing.
BEIJING, July 1 (Xinhua) -- China on Sunday introduced huge new tariff cuts covering consumer goods and automobiles, to help increase imports.
The Japanese side said that the Japan-China Society was willing to take the opportunity of the 40th anniversary of the signing of Japan-China Treaty of Peace and Friendship and the 40th anniversary of China's reform and opening-up.
来源：资阳报