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when DNA chip is used for analysis of differential gene expression, the purified mRNA can be directly used to hybridize with DNA chip and we just need to prevent RNA sample from degradation of ribonuclease.()

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in the real-time PCR, Both fluorescein-embedded method and probe method can be used for quantitative detection based on that the fluorescence signal intensity is positively relative to the amount of PCR product.()

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The product of reverse transcription is RNA-DNA heteroduplex.()

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The process of DNA synthesis using a RNA template is:()

A. the conservative replication process of DNA
B. the semi-conservative replication process of DNA
C. the semi-discontinuous replication process of DNA
D. the discontinuous replication process of DNA
E. the reverse transcription

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Different proteins produced by alternative splicing are the same in function but different in tissue distribution.()

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