You know amino acids make crucial contributions to health. You may even know they make up proteins. But can you answer the question: "What are amino acids?"
A.Simple compounds of living things.B.Simple matter named as amino acids.C.Simple living organic molecules.D.Simple dead organic molecules. 相关知识点: 试题来源: 解析 D [解析]事实细节题。第一段的实验结果出现在第二段的前两句中,这两句指出:依赖这一化学反应,合成了简单的有机分子.但这并不意味着...
0. What are the essential amino acids for the preterm and term infants? In: BINDELS, J. G.; GOEDHART, A. L; VISSER, H. K. A., ed. Recent Developments in Infant Nutrition, Great Britain, Kluwer Academic Publishers, 279-96, 1996.Pencharz PB, House JD, Wykes LJ, Ball RO. What ...
Among these molecules, harbingers of life, there are amino acids, the base of all proteins found in every living creature. Also in these droplets there are sugars, essential for the construction of DNA.在这些孕育生命的分子中有氨基酸，它是每种生物体内所有蛋白质的基础。在这些液滴中还有糖，它对...
结果1 题目 13 What are the smaller basic units of starch and glycogen molecules? D starch glycogen Aamino acids fatty acids and glycerol Bamino acids simple sugars Csimple sugars fatty acids and glycerol Dsimple sugars simple sugars 相关知识点: 试题来源: 解析 D 反馈 收藏 ...
are hormones proteins: No. Hormones are kind of “complex” chemical structures that can’t be made from amino acids. The hormone structure is very complex and different from protein because it has carbon-oxygen-hydrogen atoms along with nitrogen, oxygen, or sulfur and other elements like phosph...
Proteins are a second type of intracellular organic molecule. These substances are made from chains of smaller molecules called amino acids, and they serve a variety of functions in the cell, both catalytic and structural. For example, proteins called enzymes convert cellular molecules (whether prote...
A small set of simple monosaccharides can be used as a template for the formation of numerous glycans, which are typically linked to glycoproteins through N- or O-glycosidic linkages. 一小组简单的单糖可用作形成多种聚糖的模板,这些聚糖通常通过N-或O-糖苷键与糖蛋白连接。
SerEssential Amino Acids:The organic class of compounds with two different functionalities, carboxylic and amino, are called amino acids. There are around nine vital amino acids. These are essential amino acids. Lysine, isoleucine, histidine, etc., are some essential amino acids. ...
Alanineis anamino acid; these are the building blocks of proteins. All amino acids have an identical basic structure, but have individual portions stuck onto this basic structure. In the case of alanine, this portion is one of the simplest of all amino acids, with only onecarbonand threehydr...