What happens first at each origin of replication?

A: enzymes kill viruses

B: enzymes remove bases

C: enzymes unwind DNA

D: enzymes eat nucleotides

Match the types of competition to their descriptions

Johnny rode his bike to a friend's house 4 blocks down the street in his neighborhood. he immediately rode back home once he realized his friend was not able to play. what was his displacement for the total bike ride? how did you determine this? what could we use as a reference point to determine he was in motion during his bike ride? why can you use it as a reference point

Which worm has eyespots that are used to detect light? a fluke b marine worm c planarian d tapeworm