Answer:
there is no clear explanation why some people become violent while sleepwalking
Explanation:
Sleepwalkers who are suffering from stress, sleep deprivation, and depression do seem more susceptible to experiencing violent episodes than others, but there is no medical proof that negative emotions result in homicidal sleepwalking.
Each mouse in the study has brown ears.
Helicase "unzips" the two strands of DNA. During DNA replication.
