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1. |
Which of the following statements about restriction enzymes is incorrect? |
A. | They work on DNA extracted from all types of organisms. |
B. | They are used to glue short segments of DNA. |
C. | They come in many varieties, each with its own DNA target sequence. |
D. | They are highly specific for their DNA target sequences. |
Answer» C. They come in many varieties, each with its own DNA target sequence. | |