谷氨酸产生菌利用糖质原料合成谷氨酸的代谢途径中有哪些关键环节?
参考答案:糖酵解途径,磷酸己糖途径,三羧酸循环,二氧化碳固定反应,乙醛酸循环,还原氨基化反应。
Which type of input is the primary cause of contract changes ?()
A.Independent estimates.
B.Organizational policies.
C.Statement of work.
D.Approved changes requests.