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【单选题】
下列各项是嘧啶核苷酸从头合成途径的特点,嘌呤核苷酸从头合成途径与其在()项相同。A.
首先形成碱基，然后与PRPP结合
B.
酶系位于胞浆和线粒体内
C.
合成过程不消耗高能磷酸键
D.
元素来源有Asp、CO2和Gln
E.
均需一碳单位
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皮皮学刷刷变学霸
举一反三
【单选题】9) Product planners need to consider products and services on three levels. At the second level, product planners must ________.
A.
offer additional product support and after-sale services
B.
identify the core customer value that consumers seek from the product
C.
turn the core benefit into an actual product
D.
find out how they can create the most satisfying brand experience
E.
define the problem-solving benefits or services that consumers seek
【单选题】10) Product planners need to consider products and services on three levels. At the third level, product planners must build ________.
A.
an actual product
B.
an augmented product
C.
core customer value
D.
a brand personality
E.
a basic product
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