When restriction enzymes do not cut straight across the two strands of dna, a tail of unpaired bases branch out at the ends. these tails are commonly known as a- blunt ends b- restriction caps c- sticky ends d- restriction tails

during the process of dna replication, brdu can replace thymidine and incorporate into the newly synthesized dna, cell proliferation thus can be reflected in the extent of brdu incorporation.

not only is it colder, it also becomes darker, less salty, and more dense.

the ems is the abbreviation for the emergency medical services. it is a service provided by a group of medical professionals specialised doctors and other healthcare staff.

any one can call 911 in case of any medical emergency and a group of health care professional will come and give the treatment required. every day the ems staff receive many phone call, which are related to different types of medical emergencies, out of which 25-28% are exclusively related to the respiratory issues.

so, the correct answer is 25-28%.