呈碱性的肽链是()
A.甘-缬-谷-天-苯丙
B.赖-组-精-甘-赖
C.天-谷-甘-缬-丙
D.半-天-苯丙-甘-丝
E.缬-甘-天-谷-苯丙
参考答案:B
乳牙期及替牙期的局部障碍是形成错 畸形的局部因素
在第一恒磨牙萌出之前,多数乳磨牙缺失,迫使患儿采用前牙咀嚼时,会出现()
A.下颌逐渐后移
B.日久形成假性远中错
C.上前切牙前突
D.开唇露齿
E.日久形成真性下颌前突
Which of the following statements about project risk is FALSE()
A. The riskier the project’s income stream, the higher the discount rate should be.
B. Mutually exclusive projects should be analyzed using the firm’s weighted-average cost of capital (WACC).
C. If investors are not well diversified, they may want management to concentrate more on project risk than on market (beta) risk.