The enzyme that unwinds that double stranded dna at the beginning of dna replication is called a. primase. b. helicase c. topoisomerase. d. dna polymerase

plato users

given bodies of water

pacific / arctic / indian / southern

[ a ] the caribbean sea

[ b ] the northern ocean

[ c ] the atlantic ocean

[ d ] the barents sea

with this being the given answers

all matter is made up of atoms

in any element all atoms are the same

elements in a compound are always in a constant ratio: apex