Chromosomal or genomic DNA is separated by______（）
A. Sedimentation
B. Dissolution in water
Centrifugation
Distillation
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Which of the following is used to lyse the nucleus and release the DNA（）
A. sodium dodecyl sulfate （SDS）
B. ammonium sulfate
C. ferric phosphate
D. phenol
What is（are） the feature（s） associated with M13 phage（）
A. Doesn’t need genes for insertion into host genome
B. Capsid constructed of multiple copies of 3 genes
C. Simpler infection cycle than lambda
D. Capsid constructed of 15 different proteins
Plasmids are ____（）
A type of virus
B. Extrachromosomal DNA found in bacteria
C. Double stranded
D. the tool to express any protein in living cells
Phage display technique makes use of which of the following vectors（）
A. M13
B. Lambda
C. 2 micron circle
D. BAC
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