Ascientist is conducting research on the enzyme helicase. the scientist is most likely trying to learn more about the way in which nucleotides form. dna unzips. nucleotides are removed. dna is reassembled.

Charlie has been having nightmares of late. he always thinks that there is an evil dragon waiting to pounce on him. what age is charlie most likely to be? a. one year old b. three years old c. seven years old d. nine years old