【多选题】which options below belong to essential amino acid for human body?
【单选题】A polypeptide has the amino acid sequence glycine – arginine – lysine – serine. The table gives possible tRNA anticodons for each amino acid. Which sequence of bases on DNA would code for the polypept...
【单选题】The amino acid pool allows for constant substrates to be available for numerous bodily uses. Which statement below best describes this amino acid pool?
A.
Approximately 80% of the body ’ s total protein is in the amino acid pool.
B.
Dietary proteins constitute most of the amino acid pool.
C.
The concentration of free amino acids is as rigidly controlled as blood glucose levels.
D.
The synthesis of new protein is the major use of amino acids in the amino acid pool.
E.
Changes in the rate of protein synthesis and degradation occur within seconds to minutes.
【判断题】建筑物装配率越高,表明其工业化程度越低。
【单选题】在所列出的:1.字处理软件,2.Linux,3Unix,4.学籍管理系统,5.Windows XP,6.Office 2003等六个软件中,属于系统软件的有______。
【判断题】动力CAN线如果断掉其中一根线路 不影响其正常使用
【单选题】An individual has been diagnosed with Hartnup disease and is experiencing symptoms consistent with niacin deficiency. In this patient, which amino acid is no longer able to “ spare ” the dietary requi...
【单选题】在所列出的:1.字处理软件,2. Linux,3. Unix,4. 学籍管理系统,5. Windows XP,6. Office 2016,六个软件中,属于系统软件的有()