Answer:
1. mutation and genetic recombination
Answer:
There are four main categories of anesthesia used during surgery and other procedures: general anesthesia, regional anesthesia, sedation (sometimes called "monitored anesthesia care"), and local anesthesia.
The backbone of the DNA is made up of phosphate and deoxyribose. Deoxyribose is the sugar molecules found in DNA
The last one (d) I think it is the correct one
