c. The success of any newspaper usually depends on advertising. ______
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d. Local newspapers can often be of service to the community in expressing public feeling on local issues. ______
A. 对
B. 错
Introduction of DNA molecules into the recipient organism is termed as ____________
A.transformation
B.translation
C.transduction
D.transcription
Chemical transformation refers to the methods which use chemicals in order to carry out transformation. Which of the following statements is true with respect to it? ____________
A.Chemical transformation decreases the efficiency of transformation as compared to natural transformation
B.Ice cold calcium solution followed by heat shock is responsible for affecting the efficiency of DNA uptake
C.The mechanism responsible for it named as ‘the heat shock model’
D.Other complex mixtures such as those containing Manganese and hexamine cobalt can’t be used to affect the efficiency
Electroporation is also used for taking up the DNA by the cells. It constitutes of ____________
A.inserting the DNA into the cells via an electric shock
B.increased efficiency than both natural and chemical methods
C.causing the least amount of damage in comparison to other methods
D.decreased efficiency than both natural and chemical methods
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