The chemical basis of most genes in nature is DNA.( )
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A gene is the DNA sequence encoding proteins ().
The genome of the virus can be:____
A. dsDNA
B. ssDNA
C. dsRNA
D. ssRNA
Which of the following statement is the characteristic of prokaryotic genome:____
A. Contains multiple DNA replication origins.
B. Single chromosome, always circular.
Chromosomal DNA is always fixed to binding proteins. 染色体DNA和蛋白质固定地结合
D. Consists of numerous non-coding sequences.
Which of the following is NOT the focus of human structural genomics:____
A. Genetic map
B. Transcription map
C. Physical map
D. Analysis of gene function
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