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文艺节目的重心在于传播文化(包括艺术)观念或内容,娱乐节目的重心在于娱乐大众。

A. 对
B. 错

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All the following statements about genetic code are correct except:

A. It is degenerate
B. It is unambiguous
C. It is nearly universal
D. It is overlapping

A codon AUG is a:

A. Chain-initiating codon
B. Chain-terminating codon
C. Releasing factor for peptide chains
D. Recognition site on the tRNA

In biosynthesis of proteins, the chain-terminating codons are:

A. UAA, UAC and UGA
B. UGG, UGU and AGU
C. AAU, AAG and GAU
D. GCG, GCA and GCU

Formation of initiation complex in protein biosynthesis involves:

A. Dissociation of ribosome into its 40S and 60S subunits
B. Formation of 48S initiation complex
C. Formation of 80S initiation complex
D. All of the above

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