Saved Bookmarks
| 1. |
restriction enzymes are capable of destroying the DNA of bacteriophage why they do not chew up their host genomic Dna? |
|
Answer» Explanation: Modification enzymes: Bacteria have a SECOND set of enzymes that modify DNA -- these enzymes ADD methyl GROUPS to specific SEQUENCES on the DNA -- the same sequences cut by the restriction enzymes. Role of modifications: These modifications make the bacterial DNA resistant to the restriction enzymes. |
|