中心法则揭示了生物遗传信息由DNA向蛋白质传递与表达的过程。请回

中心法则揭示了生物遗传信息由DNA向蛋白质传递与表达的过程。请回答下列问题。

(1)a、b、c、d所表示的四个过程依次分别是_______、_____、_____和_____。

(2)需要tRNA和核糖体同时参与的过程是__(用图中的字母回答)。

(3)a过程发生在真核细胞分裂的___期。

(4)在真核细胞中,a和b两个过程发生的主要场所是_____。

(5)RNA病毒的遗传信息传递与表达的途径有(用类似本题图中的形式表述):

①_______________;

②_______________。

答案

(1)DNA复制、转录、翻译、逆转录;    (2)c    (3)间    (4)细胞核

(5)    ①                          ②

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