The ribosome finds the appropriate amino acid for each "letter" and assembles them head-to-tail in sequence; other "letters" indicate when to start and when to stop.
核糖体找到每个“字母”的适当的氨基酸，并将它们首尾相连，组成一个序列；其他“字母”表示何时开始以及何时停止。
Ahna Deverey, shopping at a grocery store in suburban Milwaukee, shook her head at milk with added DHA/omega-3 fatty acid.
在密尔沃基市郊杂货店购物的AhnaDeverey，面对添加了DHA /omega-3脂肪酸的牛奶摇摇头。
Adding folic acid to diets costs four or five cents per head per year, with a payback of perhaps 120-fold.
而在食物中添加叶酸仅需每人每年四到五美分，其收益可能达120倍之多。
Audi ultra technology has passed an extreme acid test this weekend, ” said head of Motorsport Dr. Wolfgang Ullrich after car #2 crossed the finish line.
当奥迪2号赛车冲过终点线时，奥迪赛车部主管WolfgangUllrich博士说：“本周奥迪极致科技通过了一项极其苛刻的测试。”
So, attack your acid reflux and indigestion head on and take control of your life again.
因此，攻击您的酸反流和消化不良头部，并采取控制你的生活。
METHODS:Amino acid, fish oil and polysaccharide were one by one isolated and refined from the head of eel by enzymatic hydrolytic methods.
方法：采用酶解法分离鳗鱼头中氨基酸、鱼油和多糖并分别进行了精制。
The breaking down reasons of the small float head bolts in an acid stripping unit and primary exchanger for feed water are analyzed.
对酸性水气提装置侧线与原料水一次换热器的小浮头螺栓的断裂原因进行了分析，并提出了相应的对策和推广新材料的建议。
Their fatty acids mainly are unsaturated fatty acid, the total content of EPA and DHA is 13.8% in the head and 7.77%...
鱼头和鱼肝脂质中的脂肪酸组成基本相似，不饱和脂肪酸含量较高，EPA和DHA的总含量分别为13.8%和7.77%。
Their fatty acids mainly are unsaturated fatty acid, the total content of EPA and DHA is 13.8% in the head and 7.77%...
鱼头和鱼肝脂质中的脂肪酸组成基本相似，不饱和脂肪酸含量较高，EPA和DHA的总含量分别为13.8%和7.77%。
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