Multiple Choice
The efficiency of cloning, and the ability to generate healthy cloned animals, has been largely hampered by the difficulty of __________.
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18. Biotechnology
Introduction to DNA Cloning
Back18. Biotechnology
Introduction to DNA Cloning
- Multiple ChoiceWhat is the function of DNA ligase in the gene cloning process?1views
- Multiple Choice
In DNA technology, the term 'vector' can refer to:
3views - Multiple ChoiceWhich of the following is NOT a common step in molecular cloning using plasmids?
- Multiple Choice
Small accessory rings of DNA that replicate independently of an organism's genome are called _____.
3views - Multiple ChoiceWhich step of bacterial transformation occurs after a gene of interest has been isolated?
- Multiple ChoiceIn genetic engineering, the highly active plasmid from Agrobacterium tumefaciens is used to __________.
- Multiple ChoiceA molecular biologist used a retroviral vector to introduce a gene coding for a certain human enzyme into mouse cells. One cell line was isolated that was able to make the human enzyme, but it had lost the ability to express an endogenous, normally expressed gene in the process. What is the best explanation for these results?
- Multiple ChoiceBacteria use restriction enzymes to __________.2views
- Multiple ChoiceGene cloning is crucial to any application involving one gene because __________.2views
- Multiple Choice
What is recombinant DNA made of?
2views - Multiple ChoiceWhich of the following enzymes could seal a nick in one strand of a double-stranded DNA molecule by creating a sugar-phosphate bond between the adjacent, unjoined nucleotides?2views