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搜题
【判断题】
引物的3’端可以修饰,如附加限制酶位点,引入突变位点等。A.
正确
B.
错误
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】Expenses that support the overall operations of a business and include the expenses relating to accounting, human resource management, and financial management are called:
A.
Cost of goods sold.
B.
Selling expenses.
C.
Purchasing expenses.
D.
General and administrative expenses.
E.
Non-operating activities.