Bacteria produce restriction endonucleases, or restriction enzymes, that recognize and cut up foreign DNA, including certain phage DNA.
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Answer:
Recent advances in medical biotechnology have increased researcher's knowledge of molecular events of Cancer and have created new hopes in early diagnosis and treatment of cancer. Changes in the genome and proteome of the cells disturb the normal cellular control mechanisms.
Explanation:
Sheeps possibly should be able to run quickly, to have a good sense of smell and to have quick reflexes.
These three sheeps are desirable for sheep as they enhance their survival capabilities. These traits are passed on to the new generation through reproduction.