筛选标记主要有营养缺陷型、药物抗性标记；
从大肠杆菌中也分离出若干种不同的营养缺陷型。
Tatum isolated a number of different auxotrophs of E. coli. Tatum.
最好听从这样的建议，长期坚持服用复合维生素能填补营养缺陷，帮助消费者更健康的生活。
It is better to meet these recommendations than not, and consistently taking a multivitamin over the long term could help fill these nutrient gaps and may help consumers lead healthier lives.
目的：对188名干部进行膳食营养状况评价，找出营养缺陷，以便提供老年人合理营养处方。
AIM: to evaluate the dietary and nutritional states of 188 cadres, so as to find out the nutritional defects and provide reasonable nutritional prescription for the elders.
单核原生质体再生菌丝的菌落形态、菌丝生长速度和营养缺陷型标记等性状均稳定地保持了亲本的特性。
The characters of parents, such as morphology of colony, growth rate of mycelium and auxotroph, were maintained in protoplasted monokaryon.
以代谢控制理论为指导，确定以选育亮氨酸营养缺陷型菌株作为初筛方法，选育低产杂醇油啤酒酵母突变菌株。
Under the instruction of metabolic control theory, the screening of leucine auxotroph was determined as the method of selecting the mutant strain of low-yield fusel oil.
卵磷脂颗粒是一个不错的并极易进入饮食的营养，但是有一个缺陷：就是卵磷脂味苦。
Lecithin granules are a fantastic and extremely easy nutritional powerhouse to get into your diet, but here is the disclaimer: lecithin tastes terrible!
无论是由于快速节食，营养不均衡还是一些遗传的或生理缺陷引起的某些营养物不足，均会导致脱发。
Whether it’s because of a crash diet, general malnutrition or some genetic or biological defect, deficiencies in certain nutrients can cause hair loss.
这对于整个国家的生产力有直接的负面影响：据世行统计，在亚洲低收入国家中由营养不良导致的人口身体缺陷消耗了3%的GDP。
This has a direct impact on productivity: the World Bank reckons that in low-income Asian countries physical impairments caused by malnutrition knock 3% off GDP.
然而，快餐的营养价值，营养价值太低是快餐的一个普遍缺陷。
However , it ternes of nutrition , IT is usually not a balanced diet and low in nutritional value .
可能是天生缺陷或者通过恐惧，营养不良和忽视。
Perhaps it was born defective, or perhaps it has become imbecile through fear, malnutrition, and neglect.
专家介绍，遗传病、菌感染、境污染、健康的生活方式和营养不良是导致出生缺陷的几大主要诱因。
Experts said hereditary diseases, viral infections, environmental pollution, unhealthy lifestyles and poor nutrition were among the main known causes.
因为人们已经认识到，癌症不仅仅是因一种基因表达或变异缺陷而导致的疾病，同时也似一种代谢性疾病，因为肿瘤细胞的生长需要营养物质。
Because it has been realized that cancer is not only a disease of defects in gene expression or mutation but also a metabolic disease in that cells need nutrients to grow.
以芝麻、大豆为主要原料制各的植物蛋白营养乳，克服了纯芝麻乳水溶性差的难题及纯豆奶风味较差的缺陷。
The vegetable protein milk made from sesame and soybean has the advantage of being miscible with water over the sesame milk.
目的分析山西省出生缺陷高发地区微量营养素的摄入情况。
Objective To analyse the dietary nutritional intake level in Shanxi regions with a high incidence of birth defects.
结论山西省出生缺陷高发地区育龄妇女微量营养素摄入不足问题比较严重。
Conclusion The problem of inadequate intakes of certain nutrients of childbearing women in Shanxi regions with a high incidence of birth defects is more serious.
一些研究人员推测，可能是由食物安全中心的缺陷造成的多种营养物质，包括肉碱。
Some researchers speculate that CFS may be caused by deficiencies in a variety of nutrients, including carnitine.
如果父母一方携带有缺陷基因强直性肌营养不良，有百分之五十的机会的一个障碍将被传递给一个孩子。
If either parent carries the defective gene for myotonic dystrophy, there's a 50 percent chance the disorder will be passed along to a child.
如果父母一方携带有缺陷基因强直性肌营养不良，有百分之五十的机会的一个障碍将被传递给一个孩子。
If either parent carries the defective gene for myotonic dystrophy, there's a 50 percent chance the disorder will be passed along to a child.
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