amino acidsanalytical methodsarginineaspartic acidbrainchromatographycystinefree amino acidsglutamineglycineFree and protein amino acids in different regions of human brain have been investigated quantitatively by paper chromatography. Individual free amino acids were higher in grey matter than in white matter....
aAt least 20 amino acids are important in human nutrition; 9 of these amino acids are considered indispensable (must come from the diet), whereas the body can make the other 11 (dispensable) amino acids. 至少20氨基酸是重要的在人类营养物方面; 9这些氨基酸被认为不可缺少 (必须来自饮食),而身体...
百度试题 题目Which one of the following amino acids is essential in the human diet?相关知识点: 试题来源: 解析 Lysine 反馈 收藏
Carboxyl-terminal truncations of the human GH receptor have been used to demonstrate that a 54-amino acid, intracellular region of the receptor is sufficient to signal cell proliferation in response to ligand binding. In this work, we examine 10 single and double amino acid mutations of this ...
1d) indicate that the amino acids with the largest contribution to the first principal component are glutamate/glutamine, proline, lysine, and aspartate/asparagine. Each of these amino acids is enriched in at least one major category of human foods (Fig. 1e), suggesting that the first ...
amino acidslivestocknutrient requirementsThe necessity of qualifying the term " essential " when it is applied to amino-acids is emphasised, and the urgent need to determine the qualitative and quantitative amino-acid requirements of farm animals and man is stressed.-D. P. Cuthbertson....
Any of various compounds containing an amino group (NH2), a carboxylic acid group (COOH), and a distinctive side chain, especially any of the 20 amino acids that link together to form proteins. Some amino acids (called nonessential) can be synthesized in the human body, while others (calle...
Star Trek might be more realistic than we used to think.Is there life on other planets? Do aliens resemble human beings? Maybe one day, with continued scientific research and advancement in space travel and research, we will find out.1. What are amino acids? A. A building material. B. ...
All of the amino acids that are used to synthesize human proteins (with the exception of glycine) have which one of the following in common? A.An aromatic groupB.A hydroxyl groupC.An asymmetric carbon in the D-configurationD.An asymmetric carbon in the L-configurationE.An asymmetric β -...
Total amino acids in citrus juices can be used as a means of detecting adulteration in commercial products (Van der cook et al., 1963). Phenols and flavonoids are also synthesized from aromatic amino acids such as tryptophan, tyrosine, and phenylalanine. Amino acids are important in human ...