总之，氨基酸是很容易制造的，核苷酸也是可以制造的，但是有相当的难度，其他重要的生物小分子也可以被"无生命地"合成出来。
In summary, amino acids are easy to make, nucleotides can be made with considerable difficulty, and other biologically important small molecules can be synthesized “abiotically”.
本文综述了该酶的工业生产及应用领域，如乙醇生产，芳香族氨基酸和手性物质的生物合成等。
The application of transketolase for industrial purpose, such as production of ethanol, biosynthesis of aromatic amino acids and enantiotopic chemicals were reviewed.
两者蛋白质生物合成中的限制氨基酸都是苯丙氨酸和蛋氨酸。
The limitary amino acid for biosynthesis of protein in both of the animals are all phenylalanine and methionine.
简介了它们的合成方法和在金属离子分析、药物化学、生物模拟、氨基酸的合成及拆分上的应用。
The synthesis methods and application to the metal ion analysis, medicinal chemistry, biological mimicking, synthesis and resolution of amino acids are also presented.
饲料中含量较瘤胃微生物含量低的氨基酸可能在瘤胃微生物蛋白质合成中起着至关重要的调控作用。
The AAs which concentration was lower in diets than in bacterial proteins may play a key role in regulation of rumen microbial protein synthesis.
本实验考察了氧应力和前体氨基酸对酿酒酵母hsjb1生物合成谷胱甘肽(GSH)的影响。
Effects of addition of precursor amino acids, glutamic acid, cysteine and glycin at varying concentrations on Saccharomyces cerevisiae HSJB1 biomass and GSH yield were also investigated.
组氨酸是生物体蛋白质合成的必需氨基酸，其生物合成途径已得到广泛的鉴定。
Histidine is one of the essential amino acids for protein synthesis and is required by all living organisms. Its biosynthetic pathway has been extensively characterized.
展望了氨基酸酰胺类衍生物的合成方向。
The synthetic trend of amino acid amide derivatives is prospected.
用天然氨基酸为起始材料，合成了一种具有双酚羟基官能团的环肽，并以此环肽为联酚合成了主链包含酰胺键的可生物降解环氧树脂。
Starting from natural amino acid, diphenol having a phenolic hydroxyl group was synthesized. Using the diphenole as comonomer, a biodegradable epoxy resin in which contain amide group.
功能性氨基酸是指除了合成蛋白质外还具有其他特殊功能的氨基酸，其不仅对动物的正常生长及维持是必需的，而且对多种生物活性物质的合成也是必需的。
They are called functional amino acids which are necessary not only to animal growth and maintenance requirement, but also to the synthesis of bioactive molecules.
合成了重要的氨基酸衍生物S-苄基-半胱氨酸．阐述了合成物质的配位化学功能；
S-benzyl-cysteine, an important amino-acid derivative, is synthesized. Properties of coordinate chemistry of the synthesized material are stated in detail.
所选4株菌和混合瘤胃微生物既能在氨氮为唯一氮源的合成培养基中生长，又能在含有肽和氨基酸的合成培养基中生长。
All the 4 strains of cellulolytic bacteria and mixed rumen microbes can grow in the chemically defined medium with ammonia-nitrogen or peptide or amino acid as the sole nitrogen source.
支链氨基酸作为必需氨基酸，不仅是合成机体蛋白质的原料，而且具有特殊的生理、生物学功能。
Objective This study was to investigate the effects of branched-chain amino acid (BCAA) supplementation on the metabolism of glucose and gluconeogenesis.
支链氨基酸作为必需氨基酸，不仅是合成机体蛋白质的原料，而且具有特殊的生理、生物学功能。
Objective This study was to investigate the effects of branched-chain amino acid (BCAA) supplementation on the metabolism of glucose and gluconeogenesis.
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